Never Build a Whole Car: Autopian's David Tracy and Griffin Riley
The Smoking Tire
Never Build a Whole Car: Autopian's David Tracy and Griffin Riley The Smoking Tire · Jul 7, 2026
Never Build a Whole Car: Autopian's David Tracy and Griffin Riley

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Never Build a Whole Car: Autopian's David Tracy and Griffin Riley
Citroen 2CV
Car

Citroen 2CV

The Citroën 2CV is a small, unusual-looking car. It was designed to be simple and to handle rough roads. The podcast mentions it because it did surprisingly well in a race setting.

Term

ATF

ATF means automatic transmission fluid. It’s a special oil used inside many automatic gearboxes to help them shift smoothly.

Term

15w40

15W-40 is a type of engine oil. It tells you how the oil behaves when it’s cold and when the engine is hot.

Term

Land Rover

Land Rover is a car brand that makes SUVs. They’re saying the shirt is aimed at Land Rover owners who do their own wrenching.

Brand

Axe body spray

Axe is a brand that makes body spray and deodorant. They’re joking about using something like that to cover up the smell from working on cars.

Term

hydrophobic

Hydrophobic means “water-repelling.” So instead of water soaking into the material, it tends to bead up or roll off—helpful for keeping a dyed finish looking right.

Term

stainless flash

“Stainless flash” sounds like a named finish or coating that changes how a surface looks. They’re saying it’s a better way to get the final appearance they want.

Term

motor oil

Motor oil is the fluid that lubricates an engine so metal parts don’t grind against each other. In this segment they’re joking about using it for clothing, but it’s still the same engine fluid.

Term

hydrolocked

Hydrolocked means water (or another liquid) got into the engine where it shouldn’t. Since liquid can’t compress like air/fuel, the engine can get damaged if it tries to run.

Term

spy photos

Spy photos are pictures of cars taken before the company officially shows them. People snap them while the car is out testing, and then journalists use those pictures to guess what’s coming next.

Term

electronics

In modern EVs, “electronics” usually refers to the vehicle’s control systems—computer modules, power electronics, sensors, and wiring that manage propulsion and charging. The speaker is describing how one company “consolidated” these systems to simplify integration.

Term

cast structure

A “cast structure” is a body or structural component made by casting molten metal into a mold, rather than assembling it from many stamped or welded pieces. Casting can improve stiffness and reduce part count, but it depends heavily on design and manufacturing quality.

Honda Element
Car

Honda Element

The Honda Element is a boxy, practical Honda SUV. The host is saying the electric car feels similar in shape and straightforwardness.

Nissan Versa
Car

Nissan Versa

The Nissan Versa is a low-cost everyday car. Here, they’re using it as a reference point to talk about how the other car’s seats feel compared to a typical cheap commuter.

Term

solid axle

A solid axle connects both wheels with one rigid bar. That can make the ride feel different from cars where each wheel moves independently, especially over bumps.

Jaguar Xk
Car

Jaguar Xk

The Jaguar XK is a classic Jaguar sports car line known for its vintage grand-touring character. Here it’s referenced as an example of a car with a similar “old-school” feel to the unusual suspension setup being discussed.

Term

drum brakes

Drum brakes use brake pads/shoes that push against the inside of a drum to slow the car down. Many modern cars use disc brakes instead because discs tend to handle heat better.

Term

leaf springs

Leaf springs are a type of suspension made from stacked metal strips. They flex to smooth out bumps, and they’re often used on trucks and work-focused vehicles.

Term

wooden wheels

Wooden wheels are wheels made of wood instead of rubber tires and metal rims. They’re mentioned here as a quirky, old-fashioned idea the engineers looked at.

Infiniti QX4
Car

Infiniti QX4

The Infiniti QX4 is an older SUV that was meant to be a practical, everyday vehicle. They mention it because they’re joking about how you shouldn’t insult a high-mileage SUV like that.

Nissan Pathfinder
Car

Nissan Pathfinder

The Nissan Pathfinder is a popular family SUV. They bring it up as a mix-up—then correct themselves that the car in question is actually an Infiniti QX4.

Ford Maverick
Car

Ford Maverick

The Ford Maverick is a small pickup truck. It’s meant to be useful for hauling or carrying things, but still easy to drive and park like a regular car. The podcast mentions it as an option for people who want a pickup for everyday use.

Term

destination

Destination is the extra charge for shipping the car to the dealer. So “$25 grand plus destination” means you’ll pay more than $25,000 at checkout.

Term

modularity

Modularity here means the car is set up so you can add or change features more easily. The point the hosts are making is that the car is still very basic, and the “modular” idea is being used to justify the price.

Term

crank windows

Crank windows are the old-school kind you roll up and down by hand. The hosts are saying that in the U.S., many buyers expect power windows, so crank windows can hurt sales.

Term

no radio

“No radio” means the car doesn’t come with a built-in AM/FM audio system. The hosts are using it to argue the car is missing basic convenience features.

Term

bluetooth speaker

A Bluetooth speaker is a wireless speaker you pair with your phone. The hosts are saying the car basically expects you to bring your own speaker rather than having built-in speakers and a radio.

Term

shrinkflation

Shrinkflation is when you get less for the same money. The hosts think this car is doing that by removing features from the base and charging you to add them back.

Term

EV truck

An EV truck is a pickup that runs on electricity. Instead of buying gas, you charge it, and the main things you think about are range and charging.

Term

range

Range is how far the car can go before it needs charging. The number you hear is a target, and real driving can change it.

Term

four doors

“Four doors” means the truck has rear doors too, so passengers can get in and out more easily. It’s usually the more practical choice for families.

Term

Wrangler four door

The Wrangler four-door is the Jeep Wrangler with rear doors. The point here is that when more people wanted the extra practicality, the two-door version became less relevant.

Company

avance

Avance is a group for car enthusiasts. They help members save money and connect through events and a magazine.

Porsche Career Gt
Car

Porsche Career Gt

The Porsche Carrera GT is a very expensive, rare supercar. It’s made for high-speed performance and is mainly aimed at enthusiasts. The podcast mentions it because it’s a car people admire and collect.

Brand

Discount Tire

Discount Tire is a tire shop chain mentioned for member discounts. It matters because tires are something you buy regularly.

Brand

bf

“BF” here is referring to a tire brand (BFGoodrich). They’re talking about extra discounts when you buy those tires.

Brand

Michelin

Michelin is a well-known tire brand. The segment is mentioning it because members get extra savings when buying Michelin tires.

Term

Goodridge

Goodridge is a company that makes car parts, especially brake upgrades. They’re often used by enthusiasts who want better feel or performance than stock parts.

Concept

solving the wrong problem

They’re saying people are focusing on the wrong cause. Instead of tackling the real issue (like wages not rising), the conversation goes in a different direction.

Concept

inflation and wages not keeping up

They’re saying car prices don’t feel like they match what people earn. The idea is that wages haven’t grown as fast as prices, so “affordable” cars become less affordable over time.

Mazda MX-5 / Miata
Car

Mazda MX-5 / Miata

The Miata is a small two-seat sports car made to be fun to drive. It’s lighter than many other sports cars, which helps it feel quick and easy to handle. The podcast mentions it because it’s often a good deal for what you get.

Place

nantucket

Nantucket is a place in Massachusetts, and it’s known as a popular, upscale vacation spot. They’re joking about where the truck might end up being used.

Term

electric truck

An electric truck runs on electricity stored in batteries. Instead of stopping for gas, you charge it like a big version of an EV.

Term

naturally aspirated

Naturally aspirated means the engine pulls air in by itself, without a turbo or blower. It makes power through its normal design instead of boosting it with forced air.

Term

five speed

A five-speed is a manual gearbox with five forward gears. More gears can help the engine stay in the right rev range more often.

Term

four speed auto

A four-speed auto is an automatic transmission with four gears. It can shift less smoothly or feel less flexible than newer automatics with more gears.

Kia Rio
Car

Kia Rio

The Kia Rio is a small car meant to be affordable and easy to drive. It’s typically used for regular commuting rather than performance. The podcast mentions it as a possible budget option.

Term

car company

Here, “car company” means a real business that can actually build cars, not just a website or logo. The host is warning that some things online might look legit but aren’t.

Concept

reservations

“Reservations” here means people put down money or sign up before the product exists. The host is basically saying that early sign-ups don’t guarantee the car will ever be built.

Term

Poly market

Polymarket is a website where people bet on what they think will happen. The host is using it like a “odds” comparison to talk about risk.

Tesla Roadster
Car

Tesla Roadster

The Tesla Roadster is a sports car that runs on electricity instead of gasoline. It was one of the early, well-known electric performance cars. The podcast brings it up while talking about what happens to the value of a car over time.

Term

self-driving van

It’s a van that’s supposed to drive itself using cameras, sensors, and computer software. Even when it’s working, a person usually still has to be ready to take over if the system gets confused.

Concept

vaporware

“Vaporware” means something that’s talked about a lot, but doesn’t really exist in a usable form yet. It’s like a big promise that keeps getting delayed.

Brand

Zoosk

Zoosk is the name the hosts use for a company they’re talking about. They’re basically saying it went from “promises” to something that’s actually happening in the real world.

Citroën 2CV
Car

Citroën 2CV

The Citroën 2CV is a small, weird-looking French car that’s famous for being simple and practical. People love it because it’s surprisingly roomy, so you’ll hear stories about fitting all kinds of crazy items inside.

Place

Nürburgring

The Nürburgring is a legendary race track in Germany. It’s so famous that car people travel there for track days, so you’ll sometimes see all kinds of unusual cars running around.

Term

radial engine

A radial engine is a type of engine where the cylinders are arranged in a circle around the center. It’s common in aircraft, and it has a very distinctive sound. The hosts are pointing out that this engine makes the car feel and sound like an airplane.

Topic

engine behavior and startup ritual

They’re talking about what it feels like when you start the engine and how it behaves right away. They mention a special startup step and the unusual sound. The point is how the car drives day-to-day versus what makes it weirdly cool.

Term

oil purge

An oil purge is a step at startup where the engine gets oil moving through the system. The goal is to make sure lubrication is established before you drive normally. Here, they’re treating it like a satisfying, purposeful part of starting the engine.

Term

linear power band

A linear power band means the engine’s power builds in a smooth, steady way as you rev it. Instead of “all the power at one RPM,” it’s more predictable across a wider range. That makes the car easier and more fun to drive.

Term

independent reservoir shocks

Independent reservoir shocks are shocks with a separate “extra chamber” for the shock fluid. That can help the shocks stay consistent when you’re driving hard and they get hot. The speaker is noting this car doesn’t use that specific shock style.

Term

king of the Hammers

King of the Hammers is a very tough off-road race where cars and trucks take brutal punishment. When someone says “King of the Hammers guys,” they mean suspension builders who know how to make parts survive and work well in extreme terrain. That’s why the shocks are being praised.

Willies jeep
Car

Willies jeep

They’re talking about the Willys Jeep, a famous World War II military vehicle. People love it because it’s a big part of Jeep history and it’s a popular car to restore or build for off-roading.

Concept

stockholm syndrome

“Stockholm syndrome” is a real psychological idea where someone starts to feel attached to the person who’s hurting them. In this podcast, they’re using it as a humorous way to say “you ended up liking it even though it was miserable.”

Chevrolet C6
Car

Chevrolet C6

The Chevrolet Corvette is a sports car made for fast driving. Some people use them as daily cars because they’re comfortable enough for regular trips. In the podcast, it’s mentioned as a personal daily example.

Term

service manual

A service manual is like the car’s official repair book. It shows you what parts you need and how to do the work correctly, step by step.

Term

spacer

A spacer is a small piece that goes between parts to make them fit right or leave the right amount of space. It’s often used to fix alignment during a build or repair.

Term

bolt

A bolt is a threaded screw used to hold parts together. In a build, getting the right bolt size is important so everything lines up and stays tight.

Term

engine block

The engine block is the big metal foundation of the engine. It’s where the cylinders are, and it’s the part you build the rest of the engine around.

Term

conrod pistons

A connecting rod connects the piston to the crankshaft. The piston pushes up and down, and the rod transfers that motion to make the crankshaft spin.

Concept

build from scratch

“Build from scratch” means you’re making the car yourself using parts, not just buying a ready-made vehicle. It usually takes a lot of planning and finding the right parts.

Term

bill of materials

A bill of materials is basically a checklist of all the parts you need, and how many of each. It helps you plan a build so you don’t miss anything.

Concept

grind my body

This is basically trimming or reshaping metal so parts line up. It usually happens when the car isn’t built from one perfectly matched kit.

Concept

validation test

A validation test is a way to make sure the car works the way you planned. Instead of just assembling it, you drive it and see if everything holds up.

Term

differentials

A differential is what allows the wheels on the same axle to spin at different speeds when you turn. Without it, the car would fight for traction and handling would feel wrong.

Term

axles

Axles are the parts that connect the drivetrain to the wheels. They help deliver power so the wheels can move the car.

Term

transmission cases

The transmission case is the outer shell of the gearbox. It’s where the internal parts live, and sometimes you can’t easily replace the shell even if you can replace the inside parts.

Term

QC

QC means quality control—basically, how a factory checks that parts are made correctly. The question here is whether the parts were consistent enough to bolt together cleanly.

Concept

remanufactured

Remanufactured parts are used parts that get rebuilt and refreshed. They may not match brand-new parts perfectly, so you might need extra fitting work.

Term

tolerance stack

Cars are made with tiny measurement “wiggle room.” A tolerance stack is when the wiggle from lots of different parts adds up, so the final assembled fit can be off even if every single part was made correctly.

Term

cutting discs

Cutting discs are the spinning wheels used to slice through metal. They’re the kind of tool you use when you can’t just bolt everything together and need to modify parts.

Term

grinder

A grinder is a tool that grinds/sandpaper-like removes material from metal. It’s commonly used to trim and smooth parts so they fit better.

Term

Dremel

A Dremel is a small handheld tool that can cut or grind with high precision. People use it for detailed “make it fit” modifications.

Term

welder

A welder is what you use to join metal pieces together permanently. If parts don’t line up, welding can be used to modify or build the needed mounting points.

Concept

reproduction engines

A reproduction engine is a newer engine made to copy an older design. Even though it’s built to be “like the original,” it can still have early problems until everything settles in and any bugs are worked out.

Concept

break-in period

Break-in is the first early driving period after a new or rebuilt engine. The goal is to let moving parts “settle in,” and it’s when people often watch for problems before things fully stabilize.

Concept

off-road

Off-road means driving on rough ground like dirt trails or uneven paths. It tests whether the car’s suspension and traction can handle bumps and loose surfaces.

world war two jeep
Car

world war two jeep

The “World War II Jeep” is the early Jeep design made for the U.S. military during World War II. It became a model for later off-road SUVs and trucks because it was built to handle rough terrain without needing fancy modern features.

Term

geometry

“Geometry” here means how the car’s shape helps it clear obstacles. If the angles and ground clearance are good, the wheels can reach the terrain instead of the bumper or body getting stuck.

Term

torque at the wheels

“Torque at the wheels” means how much pulling force the tires actually get. More wheel torque helps the vehicle move slowly and steadily over rocks, ruts, and steep bumps.

Term

reconnaissance vehicle

A “reconnaissance vehicle” is basically a scout vehicle. It’s meant to travel through difficult areas to check what’s ahead, so it needs to be tough and mobile.

Toyota Land Cruiser
Car

Toyota Land Cruiser

The Toyota Land Cruiser is a famous off-road SUV built to handle rough terrain. The host is saying it took inspiration from the early Jeep design for how to be capable off-road.

Nissan Patrol
Car

Nissan Patrol

The Nissan Patrol is a big SUV that’s known for off-road ability. Here it’s mentioned as another vehicle that followed the early Jeep “blueprint” idea.

Land Rover
Car

Land Rover

Land Rover is a car brand famous for off-road vehicles. The host is saying it took inspiration from the original Jeep’s approach to handling rough terrain.

Term

front bumper

The front bumper is the part at the very front meant to protect the car. Off-road, it can hit rocks or ledges and stop the vehicle from going further.

Term

horsepower

Horsepower is a number that describes how much power the engine can make. For off-roading, the vehicle’s gearing and the pulling force at the wheels matter a lot more than peak horsepower.

Term

geared so low

“Geared so low” means the car has ratios that make it easier to move slowly with strong pulling force. That’s useful for climbing over rocks or crawling through rough terrain.

Ford F150
Car

Ford F150

This is a special version of the Ford F-150 pickup made for rough roads. They’re talking about using it for a long trip and how it behaves when cruising at a steady speed.

Term

radar cruise control

It’s cruise control that can “read” the distance to the car in front using a sensor. If traffic slows down, it slows too, and then resumes when the road opens up.

Brand

blue cruise

BlueCruise is Ford’s system that can help drive for you on certain roads. In this story, it lets the driver take their hands off the wheel for a moment while still staying in control.

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