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He Built a 36-Year Performance Shop Starting in His Basement | Donnie Walsh Jr. | D&D Performance

He Built a 36-Year Performance Shop Starting in His Basement | Donnie Walsh Jr. | D&D Performance

The Automotive Advantage Apr 15, 2026 74 min
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About this episode

Donnie Walsh Jr. and the hosts dig into how D&D Performance grew from a basement racing side hustle into a 36-year Detroit driveline and performance shop. Walsh recounts late-80s Fox-body Mustang racing—carrying slicks and nitrous to the track—and explains why nitrous started their program before shifting toward superchargers and turbos. The conversation then pivots to business: starting with T5 transmission parts, adding dyno tuning and full builds, balancing margins, and winning customers through over-delivery and transparent estimates. Market talk covers why people are shifting toward “fun per dollar” cars like C5/C6 Corvettes and 03/04 Cobras, plus his take on modern Mustangs, Hellcats, and the Corvette arms race.

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Term

slicks

"My dad would literally load two slicks, a jack, and a few tools in the trunk of a car and a couple of nitrous bottles."

Slicks are special race tires that have almost no tread. They grip the track really well for drag racing, but they usually don’t last long and aren’t for everyday driving.

Concept

pre-purchase inspection

No automotive concept matching this transcript segment was identified.

Term

nitrous bottles

"My dad would literally load two slicks, a jack, and a few tools in the trunk of a car and a couple of nitrous bottles."

Nitrous is a chemical boost you can add to a car for extra power, usually just for racing. The “bottles” are the tanks that hold that boost until you use it on the track.

Concept

drag racing time slips ("10s" / "fives" / "1060s")

"And we could take and drive that car to the track, unload the stuff out of it, throw some tires on it, and go out there and run 1060s and then put the tires back on it and go home. ... And now we see people thought those tires were being pressed going in the 10s back then, and we see guys going in the fives on those tires now."

In drag racing, people measure how fast a car runs the track using seconds. Saying someone went “in the 10s” or “in the fives” means the car was getting faster and faster—those are different speed/time levels.

Topic

5.0 Mustang pioneer days

"All right, welcome back, ladies and gentlemen. ... Justin, I'm super excited about podcasts there. ... I know you from the pioneer days of the 5.0 Mustang."

The “5.0 Mustang” is a famous Mustang generation that became a starting point for a lot of performance and racing fans. “Pioneer days” means the early days when people were building and racing these cars before today’s modern parts.

Company

FunFord

"[132.6s] There's a lot of guys that did really well in that. [134.6s] And it was a nice part about the NMRA and FunFord and all those things."

FunFord sounds like a Ford-focused racing event or program. The point in the conversation is that these kinds of events helped racers and shops get noticed and grow.

Company

NMRA

"[132.6s] There's a lot of guys that did really well in that. [134.6s] And it was a nice part about the NMRA and FunFord and all those things."

NMRA is a drag-racing organization that runs events. It helps racers compete and gives performance shops a chance to show what they can do.

Concept

automotive aftermarket industry

"[156.1s] It was the start of the automotive aftermarket industry. [159.8s] There was the small block Chevy years and then in the late 80s, the 5.0 Mustang takeover."

The “aftermarket” is everything that happens after the car leaves the factory—like performance parts and tuning services. Racing often drives what people want to buy and install.

Car

small block Chevy

"[156.1s] It was the start of the automotive aftermarket industry. [159.8s] There was the small block Chevy years and then in the late 80s, the 5.0 Mustang takeover."

“Small block Chevy” means a popular Chevrolet V8 engine used in a lot of hot rods and race cars. It was especially common in drag racing because it’s strong and has tons of aftermarket parts.

Term

LS

"[163.0s] ...in the late 80s, the 5.0 Mustang takeover. [165.6s] You had LS when you came in, so there's these chapters."

“LS” is a GM V8 engine family that became very popular for performance builds. People like it because it’s powerful, reliable when built right, and there are lots of parts to support it.

Car

Mustang Fox Body

"80s? Well, the Mustang, the Fox body Mustang just definitely kind of set it in stone. ..."

The Mustang is Ford’s sporty car line. The “Fox body” Mustang is one older generation that many people consider important. It’s talked about because it helped shape what the Mustang became later.

Term

carbureted nitrous small block car

"What we did, we raced a carbureted nitrous small block car. But the coolest part was is that while a bunch of cars were being tailored to the track at the time that were 10 second cars, which was a really fast car at the time, my dad would literally load two slicks, a jack, and a few tools in the trunk of a car and a couple of nitrous bottles."

They’re talking about a drag-racing car that used nitrous (an extra power boost) on top of a smaller V8 engine. “Carbureted” means it used a carburetor to mix fuel and air before the nitrous helped it make more power.

Concept

10-second cars / 1060s

"...while a bunch of cars were being tailored to the track at the time that were 10 second cars, which was a really fast car at the time, my dad would literally load two slicks... and go out there and run 1060s, and then put the tires back on it and go home."

In drag racing, “10-second” is a bragging benchmark for how fast a car runs. “1060s” is basically shorthand for that kind of fast elapsed time, showing how quick the car was for its era.

Concept

going in the fives on those tires

"And now we see people thought those tires were being pressed going in the 10s back then. And we see guys going in the fives on those tires now. That's just, it's insane."

“Going in the fives” means the car is running in the 5-second range for elapsed time. It’s an example of how much faster cars have gotten compared to the past.

Concept

drag racing era comparison (good old days vs modern competition)

"It's crazy to look back at the beginning of anything, because if I wanted to go race now against you, I don't stand a fucking chance, right? Like you guys have been doing it for so long, it feels like all the classes, promo, drag race, everything is just so competitive, so advanced."

They’re talking about how racing used to be less competitive and less advanced, and now everything is more serious. The point is that modern cars and racers have way more tools and experience.

Concept

LS days

"like early LS days, if you had an LS with some modifications, you could go race it and you could find a little class that you liked, and you could kind of grow with it."

They’re talking about the early days when GM’s LS V8 engines became a go-to for racers. Back then, you could start with an LS and some upgrades, then learn and get faster as you gained experience.

Term

turbo car

"We were running a nitrous car, we had the likes of Gene Deputy running a turbo car, which he was really one of the true pioneers of that deal."

A turbocharger forces more air into the engine. More air can mean more power, as long as the engine gets the right fuel and tuning to match.

Term

supercharged car

"You had Granatelli running a supercharged car with his faxed in, with him owning that."

A supercharger is a device that squeezes more air into the engine. That extra air helps the engine make more power, often with quick response.

Company

NOS

"He formed a relationship with Dale Vasnian, one of the owners of NOS. They had a real good relationship."

NOS is a company known for making nitrous systems. The speaker is saying their dad connected with the people behind those nitrous parts, which helped them get started.

Term

turbochargers

"So as time has gone on, we have moved away from it and do a lot more superchargers and turbochargers."

A turbocharger uses the car’s exhaust to spin a device that pushes more air into the engine. More air usually means more power, but it has to be tuned correctly to stay safe.

Term

jets

"I feel like even the jets were not all the same millimeter back in the day. You could easily just get the wrong jet, and that'd be the end of that motor."

“Jets” are small parts that meter how much of a chemical (like nitrous or fuel) gets into the engine. If you use the wrong size, the engine can run too rich or too lean and get damaged.

Concept

Pro Mod

"But talk about the racing and the competition, and then eventually you go to Pro Mod and you do some crazy fast stuff."

Pro Mod is a drag racing category where cars are heavily modified to go as fast as possible. These cars usually use advanced engine setups and strong safety/strength upgrades to survive repeated hard runs.

Company

Big Stuff

"And we did between Steve Griebeck and John over at Big Stuff. Well, at the time, DFI."

“Big Stuff” sounds like a performance parts/tuning company that helped with the build. Drag racers often rely on specialty shops for the right hardware and setup.

Term

DFI

"Well, at the time, DFI. We did a fuel injected version of my dad's old motor with nitrous running it as a dry system."

DFI here means electronic fuel injection. Compared to a carburetor, it can make fuel delivery more consistent and easier to tune for racing.

Term

dry system

"Well, at the time, DFI. We did a fuel injected version of my dad's old motor with nitrous running it as a dry system."

A “dry” nitrous setup means the nitrous system adds the gas, but the fuel still comes from the normal fuel system. That affects how you tune it so it makes power without running too lean.

Term

fuel injected

"We did a fuel injected version of my dad's old motor with nitrous running it as a dry system."

Fuel injection is a system that delivers fuel using sensors and controls instead of a carburetor. It can help the engine run the same way every time you make a pass.

Concept

technology taking it further

"And so we took a combination that my dad was going 950s with and went out and went 880s with it. Again, just technology, nothing."

This is describing how performance gains came primarily from technology and calibration rather than completely changing the “combination.” In drag racing, incremental improvements in fuel delivery, ignition control, and forced-induction/nitrous strategy can translate into big time improvements.

Term

superchargers

"and whether you run, we ran superchargers for a long time. Throughout all of pro 5.0, we ran a pro charger combination."

A supercharger forces more air into the engine. More air usually means more power, which is why drag racers use them.

Company

Pro Charger

"Throughout all of pro 5.0, we ran a pro charger combination."

ProCharger is a company that makes superchargers. They’re saying they used a ProCharger supercharger setup for their racing program.

Topic

pro 5.0

"Throughout all of pro 5.0, we ran a pro charger combination."

“Pro 5.0” is a drag-racing category for certain Mustang 5.0 cars. They’re saying their supercharger setup was used throughout that racing class.

Term

880s

"How's your dad when you go 880s on his used stuff? He's going 950. Was he like into this?"

In drag racing, people often talk in time “ranges” like “8.80s,” meaning the car ran the track in about 8.8 seconds. It’s a quick way to say the car is pretty quick.

Term

950

"How's your dad when you go 880s on his used stuff? He's going 950. Was he like into this?"

“9.50” likely means the vehicle ran in about 9.5 seconds. In drag racing, those numbers are used to compare how fast different cars or setups are.

Term

unblown nitro jet boat

"And this was an unblown nitro jet boat. So I mean, it was serious, pretty serious."

“Unblown” indicates the engine is not using a supercharger/blower to force more air into the engine; it’s typically naturally aspirated relative to a blown setup. In nitro racing, whether a setup is blown vs unblown is a major performance and tuning distinction.

Concept

practice tree

"there's only two people that Carlo Catalinato will not bet on a practice tree, and it's you and Antron Brown."

In drag racing, the “tree” is the set of lights that starts the race. A “practice tree” is used for test runs so you can practice your timing and get the launch dialed in before the real rounds.

Concept

reaction timing

"there's only two people that Carlo Catalinato will not bet on a practice tree, and it's you and Antron Brown."

Reaction timing is how fast you start moving after the lights tell you to go. In drag racing, being a little quicker (or smoother) can make a big difference.

Concept

progression of D&D performance

"Talk about where it started, the progression of D&D [824.7s] performance, and what do you do today? [831.4s] And then we want to dive into a little more"

“Progression” here refers to how D&D Performance evolved over time—from where it started to what it does today. For listeners, this is a useful framing because performance shops often grow from one specialty (like drivetrain work) into broader car building and tuning capabilities.

Company

SVO

"He worked at Ford Racing, or SVO at the time."

SVO (Special Vehicle Operations) was Ford’s performance-focused group. In this story, it helps explain why the family had racing knowledge and connections early on.

Concept

reinvesting racing revenue into the business

"But the D&D money went to racing. So it allowed him to do the things he wanted to do without shortcutting the family..."

They’re basically saying they used the money they earned to keep building toward racing. Instead of taking shortcuts, they kept the family stable while putting the performance money back into the shop.

Part

rear axles

"And we built rear axles, which is what [917.9s] we started building, 8-8s, 9-inch Ford stuff."

The rear axle is what helps send power to the back wheels. If you’re making more power than stock, people often upgrade it so it doesn’t break when you accelerate hard.

Company

Borg Warner

"And then that grew into the Borg Warner [925.7s] and Tremac transmission stuff."

BorgWarner is a company that makes drivetrain parts like transmissions. Here, they’re mentioned because they were developing stronger versions of components used in performance builds.

Company

Tremac

"And then that grew into the Borg Warner [925.7s] and Tremac transmission stuff. [929.4s] Did you see a niche there?"

Tremec makes performance transmissions. The idea is that stronger transmission options help when the stock gearbox can’t handle the added power.

Part

T5s

"learned that the T5s broke pretty easily. [959.6s] They're about made of glass [961.4s] when you've started putting any type of power to them."

The T5 is a manual gearbox. In some older Ford performance setups, it can break when you add more engine power than it can safely handle.

Concept

performance transmission upgrades

"So there were some upgrades that Borg Warner was working on. [968.1s] And at the time, Ford Racing didn't want, [972.3s] they wanted to have a transmission in their catalog [974.6s] but they didn't want to do any of the upgraded parts and whatnot."

When you make more power, the transmission may not be strong enough. Upgrades are ways to make the gearbox handle the extra stress without breaking.

Company

Ford Racing

"So there were some upgrades that Borg Warner was working on. [968.1s] And at the time, Ford Racing didn't want, [972.3s] they wanted to have a transmission in their catalog [974.6s] but they didn't want to do any of the upgraded parts and whatnot."

Ford Racing is Ford’s performance-parts program. Here, they wanted to sell transmissions, but they weren’t willing to include the stronger upgrade pieces that performance customers often need.

Term

T5 parts

"When we went to Borg Warner with the idea, that was we were only able to sell T5 parts. We couldn't buy any transfer case stuff."

The “T5” is a specific transmission used in some Ford applications. “T5 parts” means parts made to repair or upgrade that transmission, so the shop’s early business was focused on one transmission type.

Term

transfer case stuff

"We couldn't buy any transfer case stuff. We couldn't buy anything that other distributors were selling."

A transfer case is the gearbox that routes power to the front and rear axles in four-wheel-drive (and some all-wheel-drive) vehicles. The speaker is saying they couldn’t buy transfer-case-related inventory from the distributor, which constrained what driveline categories they could sell.

Concept

minimum sales requirement

"That was all we could sell. That was all we could sell. They kind of set a minimum of what we had to sell the first year."

Sometimes parts companies require a new seller to meet a certain sales number in the first year. It’s basically a “prove you can move product” rule, and they’re saying they exceeded it.

Term

manual transmissions

"Were the pretty good margins and manual transmissions back in the 90s? Yeah, there was good margins on it for sure."

A manual transmission is a car gearbox you shift yourself. You use a clutch pedal and a stick to choose the gear, instead of letting the car do it automatically.

Concept

mail order stuff

"It was more mail order stuff. So we did do some local work, but for the most part, we took an ad out..."

Mail order means customers didn’t have to come to the shop. The shop could sell parts and ship them to people in other places.

Topic

Super Ford

"But for the most part, we took an ad out in Super Ford at the time and just a small ad."

“Super Ford” sounds like a magazine or publication for Ford enthusiasts. They used it to place a small ad to find customers who were already interested in that kind of car.

Car

Ford Super Ford

"but for the most part, we took an ad out in Super Ford at the time and just a small ad. And literally ou..."

The Ford Super Duty Lariat Tremor is a heavy-duty pickup truck. It’s meant to handle tough jobs and also be better for rough roads than a basic truck. The “Tremor” part usually means it has extra off-road features.

Concept

print ad

"While to think that you would look at a print ad and be like, okay, I got to call these guys at 7.30 tonight because they're probably at another job right now."

A print ad is a business ad you see on paper, like in a newspaper or magazine. They’re saying early on, people would see the ad and call the shop to book work.

Concept

rotary phone

"It feels like a rotary phone might have been involved or something, I don't know, but that's crazy start back then."

A rotary phone is an old-style phone where you dial by turning a round dial. They’re joking that back then, calls were probably coming in through a phone like that.

Concept

local racetrack

"I mean, we had a good following from the racing stuff that we were doing and the local racetrack, we went to Milan all the time."

A local racetrack is a nearby place where cars race. They’re saying the shop got customers because they were active in racing and people recognized them from events.

Topic

racing stuff

"I mean, we had a good following from the racing stuff that we were doing and the local racetrack, we went to Milan all the time."

“Racing stuff” just means what they did for motorsports—helping race cars or working around racing events. They’re saying that racing presence helped them get customers early.

Concept

home-based shop operation

"because we were doing this out of our house and we couldn't have trucks... showing up... There's no loading dock at the basement of your personal house. I guess you gotta unload it yourself."

They were running the business from their house, not a warehouse. That means they had to pick up and unload parts themselves because they didn’t have big shipping/loading equipment.

Concept

rebuilt units

"We sold a lot for several years, sold a lot of rebuilt units, sold a lot of new units, sold a lot of overstock units."

A rebuilt transmission is a used one that gets taken apart and fixed with new parts where needed. It’s usually cheaper than brand-new, but it’s meant to work like it should.

Concept

overstock units

"...sold a lot of rebuilt units, sold a lot of new units, sold a lot of overstock units."

Overstock just means they had extra parts sitting in inventory. That can be helpful because it lets them sell and ship transmissions faster.

Car

69 Camaro

"because you get that right vehicle and that right plat, you know, you mentioned 69 Camaro, do you know how many crate engines have been sold to 69 Camaro's over the last 50 years, you know, endless."

A “69 Camaro” is a 1969 Chevrolet Camaro. It’s a classic muscle car that a lot of people still build and upgrade today, including with pre-packaged “crate” engines.

Concept

crate engines

"you mentioned 69 Camaro, do you know how many crate engines have been sold to 69 Camaro's over the last 50 years, you know, endless."

A crate engine is a brand-new engine you can buy as a complete package. Instead of hunting down lots of individual parts, you get an engine that’s ready to install.

Term

horsepower right out of the dealership to the tire

"But when one of those made 370 horsepower right out of the dealership to the tire, that was huge because, I mean, Mustang GT at the time made like 215 to the tire."

They mean the car was already making strong power straight from the factory, measured at the wheels. Testing at the tires shows what actually gets to the road, not just what the engine claims.

Car

Ford Mustang GTD

"that was huge because, I mean, Mustang GT at the time made like 215 to the tire. So you tur..."

The Ford Mustang GTD is a more extreme, performance-focused version of the Mustang. The podcast is comparing its expected power to a less powerful Mustang GT. The main point is that the GTD is meant to be much stronger.

Term

pulley

"And then you put a pulley and a cold air and you tune it [1417.7s] and it makes 450, 460 to the tire."

A pulley is part of the supercharger drive system. If you change it, the supercharger spins faster, which can make more boost and power—if the car is tuned correctly to match.

Term

tune

"And then you put a pulley and a cold air and you tune it [1417.7s] and it makes 450, 460 to the tire."

A tune is when a shop updates the car’s computer settings. After mods like a pulley or intake, the tune makes sure the engine gets the right fuel and timing so it runs strong without overheating or knocking.

Term

cold air

"And then you put a pulley and a cold air and you tune it [1417.7s] and it makes 450, 460 to the tire."

“Cold air” usually means an intake that brings in cooler air from outside the engine bay. Cooler air helps the engine make more power, especially when the car is tuned for it.

Term

450, 460 to the tire

"and it makes 450, 460 to the tire. [1420.4s] And you're talking about a pretty serious car"

“To the tire” means the power number measured at the wheels. It’s usually lower than the engine’s advertised horsepower because some power is lost as it goes through the drivetrain.

Term

blower noise

"And they made the best blower noise. [1438.6s] I think that was peak blower noise for me."

“Blower noise” is the sound a supercharger makes when it’s pushing air into the engine. People like it because it’s a fun, obvious sign the car is making boost.

Term

Steggy port

"Especially with the like Steggy port [1441.0s] and all that back in the day, [1442.7s] those things were just awesome."

A “Steggy port” refers to a specific aftermarket porting/modification of intake components associated with supercharged applications. Porting can improve airflow and boost efficiency, which helps power and throttle response when paired with the right tune.

Term

transmission drive line parts

"we moved into doing [1468.7s] all the transmission drive line parts and sales. [1471.6s] And all along that on the racing side of it,"

This phrase means parts that help send power from the transmission to the wheels. When you make more power, these parts may need upgrades so they can handle the extra twisting force.

Term

race car

"that was just to do customer cars, R cars, just in the race car, all that."

A “race car” is a car built or prepared to compete. It usually needs different setup and maintenance than a normal street car.

Term

transmission side

"he said he was going to continue running or take on running the transmission side of it. And then I would do the performance stuff."

The “transmission side” is the part of the car that handles shifting gears. In the shop, that meant one person focused on transmission repairs or upgrades while the other handled the performance upgrades.

Concept

two separate entities but still under the same roof

"So at that point we had it as like two separate entities but still under the same roof. And so we did that for several, you know, several years."

This describes an operational structure where a shop runs two distinct workflows—e.g., transmission work and performance work—while sharing the same physical space. It’s a common approach in performance garages because it allows specialization without losing the benefits of shared tools, staff, and logistics.

Concept

dyno

"one customer car that had me buy all the software and then three months later buy a dyno. And that's where all that started."

A dyno is a machine that tests your car’s power. Instead of guessing, it measures how much horsepower and torque the engine makes while the car is strapped down.

Concept

revenue mix: parts sales vs customer build cars

"[1650.8s] Give me a percentage of revenue of part sales [1654.4s] and customer build cars. [1656.2s] Can you do that for me? [1657.8s] Tell me where the company breaks down. [1660.6s] I would say right now the car build stuff [1664.8s] is probably around 30 to 35% of the business. [1670.1s] And then parts and the transmission side of it [1674.0s] is still the bigger part of the business."

They’re talking about where the shop’s money comes from—selling parts versus building cars for customers. Different types of work can pay differently, so the shop has to balance them.

Concept

itemize it out

"You give them an estimate on something, you know, it's 20 grand, it's 25 grand. Instantly though, like, there's no way it can cost that much. You itemize it out. It's like, okay, all this looks reasonable, right?"

Instead of giving one big price, the shop lists what they’re charging for each part and how many hours of work it takes. That way it’s easier to understand why the total ends up being higher than people expect.

Concept

labor hours

"You get to the bottom, there's labor that doesn't seem that crazy, 25 hours, 30 hours, whatever. And then you add up the number at the end and you're like, well, that's a huge number."

Labor hours are basically how long the mechanic says the job will take. Even if the parts don’t look expensive, the time spent diagnosing and doing the work can add up.

Concept

restomod

"oh, these guys are ripping me off. That's how they afford the race cars. That's why they have this big building. But like, I guess PSA for me to the world, like shops that are building cars, good shops that are building good cars are not making a ton of money doing it."

A restomod is basically a classic car that gets upgraded with newer parts. The goal is to keep the old-school look, but make it drive and perform better like a modern car.

Topic

repetition vs changing platforms in a performance shop

"And the whole thing is, this repetition is how you make money building the cars. However, there's not a lot of repetition in our business. And that's why I bring up like the 0304 Colbert days or even the 1314 Shelby GT 500 days."

They’re talking about how shops do better when they can repeat the same kind of work on similar cars. But it’s hard because new car models keep changing what the shop has to do next.

Car

Shelby GT500

"And that's why I bring up like the 0304 Colbert days or even the 1314 Shelby GT 500 days. There's some repetition there,"

The Shelby GT500 is a very powerful version of the Ford Mustang. It’s made to be faster and more performance-focused than a regular Mustang. People bring it up because it’s one of the most well-known high-power Mustangs.

Topic

pricing transparency with line-item estimates

"I don't like to do that because it doesn't show them what it is... When somebody looks through 40 line items... so that's what we try to do for customers on jobs like that."

They’re talking about how to explain repair costs clearly. By showing parts and labor separately, customers can better understand what they’re paying for.

Concept

itemized quote

"when you do a quote, customers a lot of times want you to get off the cuff... When somebody looks through 40 line items... and then at the bottom is the labor that's there"

Instead of giving one lump-sum number, an itemized quote lists each part and each labor step separately. That way you can see where the money is going and it’s easier to understand the total bill.

Concept

labor vs parts markup

"we're literally making 12, 13% on those items. And then at the bottom is the labor that's there that maybe the shop makes 35% on"

Shops often make money in two places: the parts they install and the labor time they charge. The percentages can be different, so an itemized breakdown helps customers understand why the bill looks the way it does.

Topic

Fox Mustang show customer service story

"...we were at the Fox Mustang show at World Forward Headquarters. You have a display and you get some products out... Like incredible customer service. Like obviously you and your dad had to do that."

This part is a story about how the shop helped a customer at a Mustang event. The key takeaway is that they went above and beyond to get the car’s transmission fixed in time.

Concept

rebuilt the transmission overnight

"...you would state up in addition to everything you had to do to set up to be at the show and you had rebuilt the transmission overnight and you were bringing it back to the show."

They’re describing a transmission rebuild done very quickly—overnight. That means the shop didn’t just “patch” it; they took the transmission apart, fixed what was wrong, and got it back together fast so the customer could make the show.

Concept

over deliver

"but can you talk about how important it is to over deliver this to someone that needs a part like that?"

Over-delivering means doing a little more than what the customer expected. For car parts and repairs, that can mean you get the right part quickly and keep the customer updated, so they’re not stuck waiting.

Term

ship it

"I don't want you to have to ship it... be easy to be like, yeah, we'll ship it back"

“Ship it” means sending the car or parts to another place instead of working on it where it is. It can be helpful for customers, but it also costs money and takes time.

Concept

shop margins are tiny

"I mean, it's hard to be a shop... I've been in shops before and the margins are tiny"

Shop margins are the profit left over after all the bills. If the shop has a bad day—like expensive equipment breaking—it can hurt the business a lot because there isn’t much extra money to absorb the loss.

Term

gas is expensive

"When gas is expensive, it, those basics between groceries and gas being expensive, those are things you can't not do, you have to do them."

If gas prices go up, people have less money left over. That can make them delay buying extra car stuff like upgrades or maintenance beyond what’s required.

Concept

down market

"like I'm going down market now. Instead of like trying to buy GTDs and dreaming about crazy $400,000 things."

“Down market” means moving to cars that are still cool and fast, but not the absolute most expensive ones. It’s basically a budget-and-reality adjustment.

Car

Golf Gtds

"...ng down market now. Instead of like trying to buy GTDs and dreaming about crazy $400,000 things."

The Golf is a compact car model. The podcast is talking about it in terms of where it sits in the market—like whether it’s priced or positioned lower than before. That affects who it’s aimed at and what buyers expect from it.

Car

03 Cobra

"Like an 03 Cobra to me, which isn't really down market. They're still super expensive, but like I just want cars like that again... I mean, like, dude, I just bought an 03 Cobra."

An “03 Cobra” is a 2003 Ford Mustang SVT Cobra. It’s a special Mustang built for performance, and a lot of people love them because they’re fast and there are lots of parts and upgrades available.

Concept

resurgence

"Like, do you see maybe a resurgence of like, are people coming into you?... Or do you see any of that?"

“Resurgence” means people are starting to want those older performance cars again. Instead of buying newer stuff, enthusiasts go back to the classics because they’re fun and there are lots of upgrades available.

Car

2020 GT 500 track pack car

"I have a good customer in mind that we've built a few cars for. Did a 2020 GT 500 track pack car for him."

That phrase means a 2020 Ford Mustang Shelby GT500 with the Track Pack. It’s basically the version of the GT500 that’s set up to handle track driving better than a standard one.

Concept

made a thousand horsepower to the tires

"Did a 2020 GT 500 track pack car for him. It was made a thousand horsepower to the tires."

“To the tires” means the power was measured at the wheels. It’s a real-world number showing how much thrust the car is actually putting down, and it’s usually different from the horsepower number you see in brochures.

Car

GT 500

"I'm gonna sell my GT 500. He didn't sell his GT 500 because he didn't like it. He did it, I mean, because he was feeling it was the more responsible thing to do, but he wanted to go back to the 03 or 04 Cobra."

They mean the Ford Mustang Shelby GT500, which is the super high-performance Mustang. The customer was thinking about selling it, but the real goal was getting back into the older Cobra.

Concept

revenue to do this

"I mean, we have to get paid and have to have revenue to do this, but really when you see the customer is really excited about something that you've done for them, that's what gets you by."

The hosts are talking about the business side of running a performance shop: you need revenue to keep the lights on, pay staff, and continue doing customer work. It’s a reminder that even when the work is enthusiast-driven, shops still operate like businesses with cash-flow needs.

Term

$150,000 car

"The other thing about the price of cars today... even if you can afford a $150,000 car, it's different driving a $40,000 car... Like it's way more fun to drive a $40,000 car."

They’re basically saying that a cheaper car is often more fun to live with, even if you could afford something much more expensive. Expensive cars can cost a lot more to fix, so the “stress level” is different.

Term

$40,000 car

"...it's different driving a $40,000 car if you can afford a $150,000 car... Like it's way more fun to drive a $40,000 car."

They’re saying that a $40,000 car can feel better to drive and own because it’s usually simpler and cheaper to fix. You’re less worried about expensive parts if something breaks.

Term

rear shot

"If I break the brand new GTD rear shot, like I don't even know, and can you even get parts for those things?"

“Rear shot” sounds like they mean damage to the back of the car. Rear repairs can be costly because the parts may be harder to find or more specialized.

Concept

parts availability

"...and can you even get parts for those things? So like, I feel like even, yes, people don't want to spend the money..."

They’re saying that the real issue isn’t just the price of the car—it’s whether you can actually get the parts quickly if something breaks. If parts are hard to find, repairs take longer and cost more.

Concept

drag strip

"You just buy shit cars [2519.0s] and just go smash on them at the drag strip [2520.7s] and that was fun."

A drag strip is a track made for quick straight-line races. People care a lot about getting off the line fast and putting power to the ground, not turning corners.

Concept

depreciation/economics of buying newer cars

"And then we got addicted [2522.4s] to like the newest, coolest, shiniest thing. [2524.9s] I think this returned back, [2526.9s] some of it's economics"

They’re basically saying people chase newer cars for fun, but money matters too. Newer cars usually cost more overall, while older cars can be cheaper to own and easier to take risks with.

Concept

not worrying about scratches / "drive it, don't baby it" ownership mindset

"If it gets a scratch, it's a big deal [2558.0s] or you don't really wanna park it [2559.9s] in a certain parking lot or whatever. [2562.1s] I can't tell you how many friends of mine [2564.2s] that have bought like an older car that don't paint it"

They’re talking about not treating the car like something you have to protect at all costs. If you don’t stress about small damage, you’ll actually enjoy driving it more.

Concept

older car that "don't paint it"

"I can't tell you how many friends of mine [2564.2s] that have bought like an older car that don't paint it [2568.5s] just because they're like, I just wanna have fun with it."

Not repainting an older car is basically saying, “I’d rather spend money on driving and enjoying it than fixing the looks.” Some people are okay with the car having imperfections.

Concept

depreciation cycle (buy new to let it depreciate so you can buy later)

"And you need someone to buy the new car so they can depreciate so that we can buy it later."

Cars usually lose value over time. This is saying that when people buy new cars, those cars get cheaper later, and shops can take advantage of that by buying them after the price drops.

Concept

office side of the business

"I would say the thing that I wished that we had done early on is I wish that we had worked on the office side of the business as much as we worked on the actual work on the vehicle side of the business"

The “office side” is the business work behind the scenes—like scheduling jobs, talking to customers, and handling paperwork. A shop can be great at repairs, but still struggle if the admin side isn’t organized.

Concept

vehicle side of the business

"...as much as we worked on the actual work on the vehicle side of the business and promoting that and doing that."

The “vehicle side” is the actual wrench-turning work—fixing cars and doing performance jobs. The point is that you can’t rely on that alone; you also need the business side to keep things running smoothly.

Company

Drive-Line Studios

"I feel that here at Drive-Line Studios. But it's funny because especially like car guys..."

Drive-Line Studios is the name of the shop being discussed. They’re saying the best shops balance fixing cars with the paperwork and business organization too.

Term

CFM

"...especially like car guys, I always hear like, well, I'm not a numbers guy, I don't like numbers, you know, and then you're like, what's the CFM of that the cylinder head?"

CFM is a way to measure how much air a part can move. For a cylinder head, higher CFM usually means the engine can breathe better, which can help performance.

Term

cylinder head

"...and then you're like, what's the CFM of that the cylinder head?"

The cylinder head is the engine’s top housing where the valves and combustion happen. If it flows air well, the engine can make more power because it can breathe better.

Concept

volumetric efficiency table

"They know it instantaneously, pull up some volumetric efficiency table, they can read that perfectly."

Volumetric efficiency is basically a measure of how “full” the engine’s cylinders get with air. A VE table is a chart used by engine tuning software so the computer can estimate airflow and fuel correctly at different speeds and driving conditions.

Topic

speed shop books / setting up new businesses

"I think we talk about new businesses. I would love to see someone come into the space that is good at that fractionally... where if I'm a speed shop or I'm a content creator... can you just look at my books?"

They’re talking about the business side of running a performance shop—like getting your finances and paperwork set up so you don’t get surprised later. It’s less about cars and more about making sure the business is run correctly.

Term

federal agencies

"It's just like, you start selling stuff, you start getting letters from federal agencies that you owe them money..."

They mean government offices that can check whether a business is following the rules. If you get letters saying you owe money, it usually means something wasn’t filed or paid correctly.

Term

business licenses

"...or like, you don't have business licenses or whatever the thing is."

A business license is official permission to run your business legally. If you don’t have the right one, you can get penalties or be forced to stop until it’s fixed.

Concept

business side of the shop

"But yeah, it's hard to learn the business side, right? People will tell you about cylinder heads all day long, but it's hard to learn how to do bookkeeping, for example."

Running a performance shop isn’t just about fixing cars—it’s also about tracking money and staying organized. Good bookkeeping and regular check-ins help you know if you’re actually doing well.

Term

bookkeeping

"People will tell you about cylinder heads all day long, but it's hard to learn how to do bookkeeping, for example."

Bookkeeping is just keeping track of money—what came in and what got spent. It helps a shop understand whether they’re truly making progress, not just staying busy.

Term

kits

"And we wanna work towards having more kits"

“Kits” usually means a bundle of performance parts sold together for a specific car. It can make upgrades easier because the parts are meant to work together.

Term

clutches

"...for the transmissions, for the clutches, for the hydraulics, all those types of things."

A clutch helps the car smoothly transfer power from the engine to the gearbox. If you add more power, the stock clutch can start slipping, so a stronger clutch may be needed.

Term

hydraulics

"...for the transmissions, for the clutches, for the hydraulics, all those types of things. And I feel that doing that will help us immensely."

Hydraulics use fluid pressure to move or control parts. In a performance car, the hydraulic system may need attention so the clutch or transmission actions stay consistent.

Concept

power adders

"...Now it's like, well, there's 10,000 different power adders and there's all these part numbers..."

Power adders are upgrades that make the engine produce more power. Today there are more choices and combinations, so it’s harder to keep everything simple.

Concept

making instructional videos for repeat customer questions

"And if you keep hearing the same question over and over again, it's like, okay, let's just make a video about this... I can just send a guy a video..."

If customers keep asking the same question, a shop can make a short video that answers it every time. That way, people can watch it later and don’t have to keep calling for the same explanation.

Topic

Detroit area exposure to new cars

"Donnie, like a lot of folks in the industry, but also especially in the Detroit area, you get exposed to a lot of new cars..."

The hosts mention that working in the Detroit area exposes them to many new vehicles. That matters because modern drivetrains and electronics change how diagnostics and repairs are done, so shops need up-to-date information.

Car

Ford Mustang

"You wanna talk about some new cars? Like I know you're close to Ford. Give me your opinion of a new Ford Mustang. Talk about a Mustang for me for a while."

The Ford Mustang is a popular American performance car. Because lots of people buy them, there are tons of parts and upgrades available, which is why shops like this one can build and customize them for different goals.

Term

transmission stuff

"That's where everything started, whether it be the transmission stuff, the axle stuff, the end of the performance side of the business."

“Transmission stuff” is anything to do with the car’s shifting and power delivery. When people build a Mustang for more performance, they often upgrade the transmission so it can handle the extra stress and shift the way they want.

Term

axle stuff

"whether it be the transmission stuff, the axle stuff, the end of the performance side of the business."

“Axle stuff” means parts that help send power from the drivetrain to the wheels. If you make a car faster, the stock axle/differential parts can wear out or struggle, so upgrades are common.

Concept

Jeep mentality

"What I liked about that platform and a few that came after it was that it kinda had a Jeep mentality where you buy the car, it's a pretty good deal for what it is and then there's just massive..."

“Jeep mentality” is a way of saying the car is meant to be customized. The base vehicle is a good starting point, and then you can add parts and changes to fit your taste.

Concept

massive customization

"it kinda had a Jeep mentality where you buy the car, it's a pretty good deal for what it is and then there's just massive, there's just so much out there to customize it and make it yours. Whether it's how you like it to look, how you like it to drive, how fast you want it to be..."

They’re talking about how easy it is to personalize the car. With this Mustang generation, you can change how it looks, how it drives, and how fast it is because there are lots of parts available.

Car

F-150

"we have far more people on the Ford side come in with F-150, single cab, crew cab"

The Ford F-150 is a popular pickup truck. In this conversation, they’re saying more customers come in for F-150s than for Mustangs.

Term

single cab

"come in with F-150, single cab, crew cab"

A single cab is a truck with only the front seats. It usually focuses more on hauling and work than on carrying passengers in the back.

Term

crew cab

"come in with F-150, single cab, crew cab but five liter trucks"

A crew cab has seats in both the front and back. It’s the version you’d pick if you need to carry passengers regularly.

Term

five liter

"but five liter trucks that, especially here in Detroit"

“Five liter” means the engine is around 5.0 liters in size. Bigger displacement often goes with stronger power, and that’s part of why people choose these trucks.

Term

all wheel drive

"A guy can have a truck that's all wheel drive, has a five liter, has a 10 speed automatic in it"

All-wheel drive helps the car put power to the wheels that have the most grip. In snow, that can make the truck easier and safer to drive.

Term

10 speed automatic

"has a five liter, has a 10 speed automatic in it"

A 10-speed automatic is the truck’s automatic gearbox with ten gear ratios. More gears can help it feel smoother and get better efficiency.

Concept

lost opportunity

"...I’m not sure every small shop realizes it right but for every Mustang that’s not sold new that’s a lost opportunity for D&D in the long run, right?"

They’re saying that if fewer people buy a certain car new, the shop loses chances to work on those customers later. More new sales can mean more future upgrades and repairs.

Term

lower it

"...he’s gonna buy a supercharger for it he wants to lower it, he wants wheels and all in..."

“Lower it” means making the car or truck sit closer to the ground. People do it for looks and sometimes to improve handling, but it can make the ride harsher and reduce ground clearance.

Car

Ford Mustang GT

"but maybe the Mustang GT, maybe it doesn't have all those Fufu things on it so the guy can afford it"

The Ford Mustang GT is a sportier version of the Mustang. It’s usually the one people pick when they want more power and a more exciting drive than the basic model.

Concept

sleeper

"you're just like, oh fuck, what's in it? Like the quieter they are, the more mysterious they are... the more I'm like, all right that thing runs the eights or something like that"

A “sleeper” is a car or truck that doesn’t look like a race car, but it’s actually quick. It’s the kind of vehicle that surprises people once they realize what’s under the hood.

Term

runs nines

"but to your point, again, it's an F-150... I'm using it as a truck but it also runs nines"

“Runs nines” means it’s fast in drag racing terms—roughly hitting a 9-second quarter-mile time. They’re using it to say the truck can perform at a serious level.

Topic

Woodward

"but like, what are you seeing out on Woodward as like the modern Fox if you will? There isn't a modern Fox, right?"

Woodward is a well-known car-culture street where people drive and show off cars. They’re talking about what kinds of cars they see there today.

Concept

inflation-adjusted pricing

"a new car is $12,000 or $13,000 which I don't know in today would be maybe $35,000 or something you're not, there just isn't that car, right?"

They’re comparing old car prices to today’s prices. The point is that cars cost a lot more now, so it’s harder to find the same kind of affordable enthusiast vehicle.

Car

BMW M3

"and now everybody buys an M3, throws downpipes on it tunes it, puts it on E and the thing goes nice"

The BMW M3 is a sporty BMW meant for performance, not just commuting. The speaker is saying people often modify it—like changing the exhaust and adjusting the engine settings—to make it feel even faster and more fun.

Part

downpipes

"and now everybody buys an M3, throws downpipes on it tunes it, puts it on E and the thing goes nice"

Downpipes are part of the exhaust system. Changing them can help the engine breathe better, and when you pair it with an engine tune, it can make the car feel stronger.

Term

E

"and now everybody buys an M3, throws downpipes on it tunes it, puts it on E and the thing goes nice"

“E” here is shorthand for ethanol fuel. Ethanol blends can help a tuned performance car make more power, but you need the right tune and fuel system support to run it safely.

Concept

naturally aspirated

"[3527.3s] Like, you know, it hauled the kids, it hauled the dog, [3531.2s] it was fast, it was, you know, even then [3535.3s] it was a naturally aspirated truck, it wasn't a track hop"

A naturally aspirated engine doesn’t use a turbo or supercharger to force extra air in. It relies on the engine’s normal breathing to make power. That usually means the power comes on more gradually as you rev.

Concept

zero to 60 or zero to 70

"[3538.1s] but that thing from a light, it was very difficult [3540.9s] to get beat and, you know, Woodward was something [3544.2s] like that for the first, you know, [3545.4s] zero to 60 or zero to 70."

This is a simple performance test: how fast the car goes from standing still to 60 (or 70) mph. It’s a good way to compare how quickly cars feel when you punch it from a stop. The speaker is saying the truck was hard to beat in that kind of test.

Concept

hybrid

"[3568.0s] that kind of got overlooked because of maybe [3570.2s] how it was marketed to begin with. [3571.9s] Like, it wasn't really marketed as the performance side [3575.4s] of it, it was more marketed as making sense [3578.1s] because it was the hybrid, but I think,"

A hybrid powertrain combines an internal combustion engine with an electric motor/battery system. In performance contexts, hybrids can improve launch traction and provide additional torque on demand, while also changing how the car is marketed and perceived. The host contrasts “performance side” marketing versus “making sense” marketing because it’s a hybrid.

Topic

X designation

"[3580.8s] I mean, it's a phenomenal package. [3583.3s] Yeah, it's funny, going to the X designation is gonna help. [3586.1s] Even if they just kept it, if they kept it exactly the same"

They mention an “X” in the car’s name and say it could help people understand it’s more performance-focused. Car names and badges can change how buyers think about what the vehicle is for. The speaker thinks the label would make it stand out better.

Car

Challenger Hellcat

"Donnie, I'm wondering about your opinion of the Hellcat phenomenon that took over the world but, you know..."

The Challenger is a muscle car made by Dodge. The podcast is bringing up the “Hellcat” trend, which refers to very high-power versions of these cars. It’s mentioned because those models became a big deal for performance buyers.

Concept

Hellcat phenomenon

"Donnie, I'm wondering about your opinion of the Hellcat phenomenon that took over the world… Talk about that segment of the market a little bit."

This is a market-trend concept: a performance sub-brand becomes so popular that it shapes what buyers want and what automakers keep producing. In this segment, the hosts connect that trend to ongoing demand and a “segment of the market” that keeps expanding.

Concept

outdated car that wasn't selling

"Well, it's really crazy to me that what Stilannas did, they took a car that was completely outdated that wasn't selling, put perform, put horse power in it…"

The host describes a classic product strategy: take a model that’s perceived as outdated and make it more competitive with performance and styling updates. The concept is that refreshed powertrain hardware plus visual cues can revive sales even if the platform is older.

Term

fender flares

"couple years later, put some fender flares on it and it just continued to sell…"

Fender flares are body panels that extend over the wheel area, often used to accommodate wider tires and add a more aggressive stance. The host implies that adding fender flares helped refresh the car’s look and keep sales momentum.

Car

Dodge Challenger

"And so when you drive one too, like say a Challenger,"

They bring up the “Challenger” as another car people might be shopping for. It’s part of the broader point that different muscle cars compete for the same performance-minded buyers.

Concept

backed off

"I think that they stepped up when Ford and GM kind of backed off and it was just like perfect timing for them to do what they did."

They’re saying other big automakers pulled away from a segment, which made it easier for Dodge to do well. It’s more about timing in the market than a mechanical change.

Concept

knowing your customer

"That is a masterclass in knowing your customer. It was just like, hold on, who is our actual customer?"

“Knowing your customer” is a business concept: understanding who the buyers are and what motivates them. The hosts connect it to product decisions like performance, styling, and how much horsepower matters to that audience.

Concept

built for a drag racer

"when you see a Hellcat, which is clearly built for a drag racer, versus Camaro,"

This means the car is designed to be really good at drag racing—going fast in a straight line. Things like gearing and power delivery are set up for quick launches. The shop owner is using that to understand what kind of customer is likely to buy or modify that car.

Concept

Drag racing versus road racing

"Drag racing versus road racing, right from the factory?"

Drag racing is mostly about how fast a car can accelerate in a straight line. Road racing is about how well the car sticks to the road and handles turns for longer, more complex driving.

Car

Dodge Demon

"I would rather have a car, kind of a do-it-and-all car, than just have like, like the demon was a, I think it's really cool that Dodge did it."

The Dodge Demon is a very fast Dodge muscle car, especially known for quick acceleration. The host is saying it’s cool what Dodge did, but it’s not the kind of car they’d choose for everyday “do everything” driving.

Car

Hellcat

"we could build a regular Hellcat to make it faster and make it do that better."

The Hellcat is a Dodge performance model that’s famous for being extremely powerful. The point here is that you could modify a regular Hellcat to be faster, but the Demon’s appeal is that it’s already built to do it.

Car

Chevrolet ZR1

"For me, myself, like I said, I like it to do both. I like the ZR1, or the ZR1X probably does it for me the most..."

The Chevrolet ZR1 is the most hardcore Corvette version. The speaker likes it because it’s not just about being fast—it’s also meant to be strong in multiple driving situations.

Concept

good value for people

"I think that those are a good value for people and it's a good all-around car. They can be built to do everything if a guy wants to go around corners... If he wants to drag racing"

They mean the car is a smart buy for performance. In other words, you can spend money upgrading it and still feel like you got a good deal compared with other options.

Concept

payment on a ZR1X

"every car person ... tried to figure out what the payment on a ZR1X is at this point... could I actually afford this thing"

They’re talking about what the monthly payment would be, not just the price tag. For expensive cars, that’s often the deciding factor—can you actually afford the payment every month?

Term

super car

"Like that's, in my head, that's what like the coolest super car I could imagine back in the day cost, you know?"

A “supercar” is a very expensive, very fast type of car. It’s usually something you’d think of as exotic or high-end, not a normal daily vehicle.

Topic

Grain Sport launches

"But you have said to me last week, Grain Sport launches, but you said that the team was really pushing,"

They mention a “Grain Sport” launch, which sounds like something new coming out that the shop is paying attention to. It likely affects what parts or services customers will want next.

Topic

C9 is right around the corner

"but don't forget, C9 is right around the corner. Donny, maybe this is a question for you."

They say “C9” is coming soon, but we don’t get enough detail here to know what it is. It could be a new car, a new program, or an upcoming event—later context would confirm.

Car

Chevrolet Corvette

"Like, is there another generation of Corvette ... where do you think this ends?"

The Chevrolet Corvette is a famous American sports car. The speakers are debating how much faster future Corvettes can get and what the next performance “ceiling” might be.

Concept

0-60 time

"...Corvette that makes over a thousand horse bar ... that goes eight seventies?"

When people talk about “eight seventies,” they usually mean how fast a car runs a quarter-mile in drag racing. Lower numbers generally mean the car is faster in a straight line.

Concept

drag-racing elapsed time (e.g., 15-second, 5-second, 8-second)

"...started with a 15 second Mustang and now, you know, racing in a five second car. An eight second car isn't for everybody."

Those numbers are drag-racing times—how long it takes the car to run a set distance. The lower the time, the quicker and more intense the car feels.

Car

Corvette Grand Sport

"So base Corvette C9 means it's gonna be Z06 or Grand Sport X level. That's where we're gonna start from."

The Corvette is a sports car made by Chevrolet. The podcast is saying that even the basic version of the C9 generation should still be very fast compared to other performance models. It’s discussed because Corvette trims are usually performance-focused.

Term

alignment rack

"So my car is here on the dyno and then there's a ZR1X on the alignment rack facing it."

An alignment rack is where a shop checks and adjusts how the wheels point. It helps the car drive straight and can improve tire wear and handling.

Car

Pontiac Trans Am

"Which car? My Trans Am. And my car makes a 1,060 wheel and people are like, oh man, you're gonna race that?"

They’re talking about their Pontiac Trans Am. It’s making huge power on the dyno, so people are joking that it must need special safety equipment to race.

Concept

parachutes

"Like, do you have parachutes? Do you have like fire safety? Like what if it explodes?"

Parachutes are safety devices used in very fast racing to help slow the car down. In the conversation, people are joking that the car must need them because it makes huge power.

Concept

fire safety system

"Like, do you have parachutes? Do you have like fire safety? Like what if it explodes?"

A fire safety system is equipment that helps detect and put out a fire quickly. They’re mentioning it because people assume a super-powerful car must be dangerous.

Concept

private equity

"[4185.6s] in the buildup of the company. [4186.7s] But we talk a lot about private equity on here [4189.2s] and I forgot one of the things we wanted to talk to you about [4191.4s] is the future of D&D, where it goes"

Private equity is when an investment group puts money into a business, usually with plans to grow it or eventually sell it. It’s a common way companies change hands or scale up.

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