Building a Reliable Truck For Towing
Diesel Performance Podcast
Building a Reliable Truck For Towing Diesel Performance Podcast · Jul 20, 2026
Building a Reliable Truck For Towing

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Building a Reliable Truck For Towing
Term

powder coated transmissions

Powder coating is a tough paint-like coating that gets baked on. Putting it on a transmission helps protect it from rust and wear, and it also makes the parts look nicer.

Term

ceramicotic exhaust housing

A turbo has a hot part called the exhaust housing. Ceramic coating helps it survive extreme heat and can keep the turbo bay from getting as hot around it.

Term

powder coated covers

These are metal covers that get a baked-on protective coating. It helps them resist rust and damage, especially around hot turbo parts.

Term

10 speed Allison

Allison is a company that makes automatic transmissions for heavy trucks. A “10-speed Allison” means the truck’s automatic gearbox has 10 different gear ratios, which can help it pull hard and stay in the right engine speed range.

Term

aftermarket

The aftermarket is the market for non-factory parts—like upgrades or replacement components made by other companies. Here, it’s about people making parts to help fix or improve the 10-speed transmission.

Term

valve body issues

In an automatic transmission, the valve body is like the control center that directs transmission fluid to make the gears shift. If there are “valve body issues,” the transmission may shift poorly or not work as reliably, particularly under heavy use.

Term

built 10 speeds

That phrase means the truck’s 10-speed automatic transmission has been strengthened or rebuilt. People do this so it can handle the extra stress of towing without wearing out as fast.

Term

burnouts

A burnout is when you spin the tires on purpose to heat them up and show off. It’s common at truck events and races.

Topic

sled pulling

Sled pulling is a competition where trucks drag a heavy sled. It puts a lot of strain on the truck, so the build has to be tough.

Term

tow rig

A tow rig is basically a truck that’s set up to pull trailers. It usually has upgrades so it can tow longer distances without overheating or wearing out.

Term

goose neck

A gooseneck is a trailer hitch where the trailer’s front sits higher and connects through a ball in the truck bed. It’s common for heavier towing because it helps the trailer track more steadily.

Term

air bags

In trucks, “airbags” usually means air springs that help support the truck when you’re towing. They keep the truck from squatting too much and can make the ride steadier.

Concept

reliability

Here, “reliability” means the truck can make the whole trip without problems. For towing, that usually includes not overheating and not stressing the transmission and engine too much.

Term

LML mods

“LML mods” means changes people make to a specific diesel engine (the Duramax LML). Enthusiasts do it to improve how the truck runs, especially when towing, and to address reliability concerns.

Term

intake tuning

Intake tuning means adjusting the truck’s settings to work with an intake change. The goal is usually to help the engine breathe better and run more correctly, especially when towing.

Brand

Cummins

Cummins is a company that makes diesel engines. The host is saying they prefer trucks with Cummins engines because they trust them more for towing and long trips.

Term

lifter tick

“Lifter tick” is a noisy tapping sound from inside the engine. It usually means the parts that operate the valves aren’t working as smoothly as they should, so it’s a sign you may need to inspect or fix the engine.

Term

Hamilton flat-tapid conversions

This sounds like a specific modification done by an engine shop (Hamilton) to fix a recurring engine noise problem. In this case, it was done because the truck had a lifter tick, and after the work the engine seemed to run normally for a while.

Term

transmission downshifts

A downshift is when the truck changes to a lower gear so the engine can spin faster. The host is saying that during a pass the transmission shifted in a way that didn’t feel right and likely selected the wrong gear.

Term

incorrect six gear ratio

This means the transmission likely picked the wrong gear when it tried to shift into 6th. When that happens, the shift can feel really rough and can point to a transmission problem that needs diagnosing.

Term

cleared the code

Modern trucks store error codes when something goes wrong. “Clearing the code” means resetting that stored error so the warning light may go away, but the problem might still be there.

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limped the truck

When a truck goes into “limp mode,” it reduces power so it won’t get worse. It’s basically a safety mode that lets you drive to get it checked.

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operating temp

Operating temperature is the normal heat level the truck is designed to run at. Warming up first helps the fluids work correctly and reduces the chance of overheating or weird behavior while towing.

Term

diagnostic tool

A diagnostic tool is a scanner that can read the truck’s error codes and sometimes live data. It helps you figure out what’s wrong instead of guessing.

Term

onboard diagnostics

Onboard diagnostics are the truck’s built-in way of noticing problems and saving error codes. Better diagnostics make it easier to diagnose issues quickly when you’re on the road.

Term

OEM

OEM stands for “original equipment manufacturer.” It means parts that are made to match what the truck originally came with from the factory.

Term

turning radius

Turning radius is how tight you can turn when you’re driving slowly. Bigger tires and wheels can make it harder to turn sharply because they may hit or rub parts of the truck.

Term

wheel well plastics

Wheel well plastics are the plastic covers around the tire area. If your tires are bigger or sit differently, they can rub those covers and tear them up.

Term

fender flares

Fender flares are the extensions around the wheel area. They help keep dirt and rocks off the body, and they can get scraped or damaged if your tires rub.

Topic

UCC

UCC is an event where people bring trucks to park and show them off. The speaker is using it as an example of what kinds of trucks you’ll see there.

Concept

Goosers

“Goosers” sounds like slang for a certain kind of towing truck setup. The speaker mentions it while talking about competitors, but they don’t explain exactly what it means here.

Concept

01 to 10 era

“01 to 10 era” means trucks from around the early 2000s through 2010. The speaker is using it like a category to talk about different styles of truck builds.

Term

lift pump

A lift pump is a small fuel pump that helps send diesel from the tank to the engine. When you tow, the engine may need more fuel than usual, and the lift pump helps keep that fuel supply steady.

Term

fuel delivery

Fuel delivery is how the truck gets diesel to the engine. When you tow, the engine needs more fuel, so keeping that supply consistent matters.

Term

intake air temp control

Intake air temp control means keeping the air going into the engine from getting too hot. Hot air can make the engine less efficient and can increase stress when you’re towing.

Term

gauges

Gauges are extra meters that show important temperatures and pressures. When towing, they help you catch overheating or excessive stress before it becomes damage.

Brand

Fords

Ford is the truck brand the speaker prefers. They’re talking about how the truck feels to drive and how it’s set up for towing.

Brand

new Rams

Ram is a truck brand. The speaker is comparing Ram to other brands for towing features and how the truck feels under load.

Brand

new GMs

GM is the company behind brands like Chevrolet and GMC. The speaker is basically saying they haven’t driven the newest GM trucks much.

Term

exhaust brake

An exhaust brake helps slow the truck using the engine and exhaust system. When you tow downhill, it can help you control speed and reduce how hard you have to press the regular brakes.

Term

cold air intercooler pipes

Intercooler pipes are the tubes that move compressed air from the turbo through the intercooler and back to the engine. Better piping is sometimes claimed to keep that air cooler, which can help the engine run more efficiently.

Term

high flow intercooler pipes

High flow intercooler pipes are bigger/less restrictive tubes for the turbo’s compressed air. The idea is that the air moves more easily and stays cooler, which can help the truck perform more consistently when towing.

Term

air intake

An air intake is the path that air takes to get into the engine, usually with a filter. Upgrading it can change how much air the engine gets and how hot that air is, which matters when you’re towing.

Term

boost

Boost is the extra pressure a turbo creates to push more air into the engine. More boost usually means more airflow, which can translate to more power—up to the engine’s limits.

Term

restriction

Restrictions are anything that makes it harder for air to move through the truck’s intake system. If you reduce those bottlenecks, the engine can breathe easier and may not need as much turbo pressure to get the same result.

Term

system becomes more efficient

When they say the system is more efficient, they mean the truck gets the air it needs with less “wasted” effort. So it can make power without needing as much turbo boost.

Concept

different elevations

Different elevations mean the air pressure changes. At higher elevations there’s less oxygen, so a turbo diesel has to compensate to keep power and efficiency while towing.

Term

EGTs

EGTs means exhaust gas temperatures—how hot the gases get in the exhaust. When you tow hard, EGTs can climb, and keeping them under control helps protect the engine and turbo from overheating.

Term

coolant temp

Coolant temp is how hot the engine’s cooling liquid gets. If it runs too hot while towing, the engine is under more heat stress and can wear faster.

Concept

domino effect

A “domino effect” here means one problem makes other temperatures go up too. For example, if intake air gets hot, the exhaust and engine cooling temps tend to rise as well.

Term

hot shot trucks

Hot shot trucks are work trucks that haul smaller loads for businesses, usually on tight schedules. They’re typically set up for hauling efficiency and speed, not necessarily for the same front-end mods you see on some enthusiast tow builds.

Term

tow trucks

Tow trucks are the vehicles used to pull or move cars that can’t drive. They’re usually built for recovery work, so their setup isn’t always the same as a truck built specifically for towing a trailer.

Term

bumpers or cow pushers

Cow pushers are tough front guards meant to protect the truck’s front end. They can change how the truck looks and sometimes how it breathes/handles, which can matter if you’re trying to keep temps down while towing.

Term

37s

“37s” means 37-inch tires. Bigger tires can make the truck work harder, which can hurt fuel economy and increase stress when you’re towing.

Term

six-inch lift

A six-inch lift means the truck is raised higher than stock by about six inches. That usually lets you fit bigger tires, but it can also make towing harder on the truck.

Term

re-gearing

Regearing is changing the axle’s gear ratio so the truck’s RPM and pulling feel match your setup. When you run bigger tires, regearing can help the engine pull better and not lug or over-rev.

Term

drive line

The drive line is the set of parts that sends power from the transmission to the wheels. If you tow hard or run bigger tires, those parts can take more stress and wear out faster.

Term

custom offsets

Wheel offset is how far the wheel mounting surface sits inboard or outboard relative to the wheel’s centerline. “Custom offsets” usually means changing that offset to fit larger tires or achieve a specific stance, which can affect tire clearance, scrub radius, and steering feel.

Term

LML turbocharger

On GM diesel trucks, the LML is the engine code. A turbocharger is a device that uses exhaust gases to force more air into the engine, which helps it pull harder—especially when towing.

Term

fuel economy

Fuel economy is how far the truck can go on a gallon of fuel. When you tow, it usually gets worse because the engine has to work harder.

Term

factory ... 20 inch wheels

Bigger wheels (like 20-inch) change the tire shape and how the truck rides. That can affect comfort and fuel economy, especially under towing loads.

Brand

Michelin

Michelin is a well-known tire maker. Choosing a Michelin tire can change how the truck grips and how much energy it takes to roll—both matter when towing.

Term

trailer

A trailer is what you hook up behind the truck to carry the load. When towing, the trailer weight and balance can change how hard the truck has to work.

Term

dually

A “dually” is a truck with extra wheels on the back. It helps the truck carry and tow heavier loads more safely because the weight is spread out over more tires.

Term

rotational weight

Rotational weight is the extra “work” needed to spin heavy parts like wheels and tires. If the wheels/tires are heavier, the truck has to spend more energy to get them moving, which can hurt towing efficiency.

Dodge Ram
Car

Dodge Ram

The Dodge Ram is a pickup truck, usually bought for work or for towing things. Many versions come with diesel engines that make strong pulling power. In the podcast context, it sounds like they’re talking about a specific Ram and how it’s set up or maintained.

Term

towing

Towing means pulling a trailer. When you tow, the truck works harder, so changes to tires and wheels can noticeably affect fuel use.

Term

speedo

“Speedos” means the speedometer. If you change tire size, the tires cover more or less distance per rotation, so the speedometer can read wrong.

Term

wheel and tire

They mean the tires mounted on the wheels. Bigger or heavier tires can make the truck harder to spin, which can cost fuel and can also change what the speedometer shows.

Term

adapters

Adapters are parts that help wheels fit correctly on a vehicle. They’re used to make the wheel match the truck’s mounting points, and they can add extra weight.

Term

wheel weight

Wheel weight means how heavy the wheels (and tires) are. Heavier rotating parts take more energy to spin, which can hurt gas mileage.

Term

lift kits

Lift kits are parts that raise a truck higher off the ground. They can change the truck’s weight and tire setup, which can affect how much fuel it uses while towing.

Term

turbo choice

Picking the turbo isn’t just about making more power—it changes how fast the engine responds when you press the throttle. For towing, the “right” turbo helps the truck stay in the power band instead of working inefficiently.

Term

RPM window

An “RPM window” is the sweet spot of engine speed where the truck pulls hardest and works efficiently. When towing, you want to keep the engine in that zone so it doesn’t strain or feel sluggish.

Concept

second gen swaps

“Second gen swaps” means putting newer/other-generation turbo parts into a different truck. If the rest of the setup isn’t matched (tune, supporting mods), the truck can feel rough and be less reliable.

Term

S 400 swap

An “S 400 swap” means installing a bigger turbo (an S400-type) instead of the stock one. That can help the truck pull harder, but it can also make throttle response different depending on how you drive and tune it.

Term

S 300

“S 300” is a name people use for a certain style of turbo used in diesel performance setups. Different versions of that turbo can change how quickly the truck responds and how well it pulls for long towing runs.

Concept

fourth gen

“Fourth gen” means a particular generation of the truck model. The speaker is saying people often install parts from a different generation onto that truck, which can change how it drives and how reliable it is.

Term

24s

“24s” means the truck has very large wheels (24-inch rims). Bigger wheels can change how the truck rides and how efficiently it rolls, which can matter when you’re towing.

Term

rubber bands

“Rubber bands” is slang for low-profile tires with thin sidewalls. They can make the ride feel stiffer and can be less forgiving on rough roads.

Term

intake intercooler pipes

These are the tubes that move compressed air from the turbo through the intercooler and into the engine. Better pipes can help the truck breathe more easily, which can make it feel more responsive and efficient.

Term

airflow tuning

Airflow tuning means setting up the engine so it gets the right amount of air at the right time. On a turbo diesel, that can help it respond better when you press the pedal.

Term

power band

The power band is the RPM range where the engine feels strongest and most useful. If it’s broader, the truck pulls well across more driving situations.

Term

tune the engine

Tuning the engine means reprogramming how the truck runs—like how much fuel and boost it uses. The right tune can make it pull better and feel smoother, especially when towing.

Term

do the trans

If you change the engine tune, you often need to adjust the transmission too. That helps the truck shift correctly and stay reliable when you’re towing heavy loads.

Term

gauge pack

A gauge pack is a set of extra meters that show important numbers while you drive. It helps you spot overheating or boost/fuel issues early—especially when towing.

Term

engine vitals

Engine vitals are the most important “health” numbers for the engine. Watching them helps you avoid overheating or running too hard, especially while towing.

Term

codes

“Codes” are the numbers your truck stores when it detects a problem. They’re like clues that help you figure out what’s going on instead of guessing.

Term

OBD scanner

An OBD scanner is a tool that connects to your truck and tells you what warning codes it’s throwing. It can sometimes clear the code so you can keep going to get it checked.

Term

throttle response

Throttle response is how fast your truck reacts when you step on the gas. If it feels delayed or weak, it can mean the engine isn’t getting the right power or is protecting itself.

Term

bigger injectors

A bigger injector is a fuel part that can spray more fuel into the engine. If you upgrade it without the right supporting changes, the truck can run poorly or cause problems.

Term

big turbo kit

A big turbo kit is an upgrade that increases the turbo’s ability to make boost (extra air pressure). More boost can mean more power, but it can also make the truck run hotter or feel worse if it’s not matched to the rest of the build.

Dodge Charger
Car

Dodge Charger

The Dodge Charger is a large car (a sedan) that’s built for performance. People talk about it a lot because it can be made very powerful and still work well for driving on the road. It’s the kind of car you’d choose if you want both comfort and strong acceleration.

Term

RVs

An RV is a camper you drive or tow for trips. The speaker is saying their RV doesn’t have soot or smoke smell inside, implying better exhaust control.

Concept

weak links

A weak link is the component in a system that limits performance or becomes the first to fail when you add power or load. In towing builds, the weak link might be something like cooling, fueling, or drivetrain durability—so improving it can help reliability, but only if you don’t create new bottlenecks elsewhere.

Concept

bottleneck to maintenance

A maintenance bottleneck means your upgrades make it harder to do normal service. If it’s too complicated to maintain, the truck can become less reliable over time even if the performance parts are good.

Term

supporting modifications

When you upgrade one big thing on a truck, you often need other changes too. Those “supporting modifications” help the truck handle the extra power without overheating or stressing components.

Concept

do it in stages

Instead of changing everything at once, you upgrade your truck step-by-step. That way you can see what each change actually does and fix issues before moving to the next upgrade.

Term

horsepower

“Horse” is shorthand for horsepower, which is how much power the engine can make. More horsepower generally helps a truck pull harder, especially when towing.

Term

6-4

“64” here probably refers to a particular upgrade or turbo size that affects how the truck drives. The speaker says the truck feels better with it, but this clip doesn’t clarify what “64” stands for.

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