Mustang GTD rumored Nurburgring record time, Hyundai Boulder Concept and Chevy’s new LS6 engine
CarCast
CarCast Apr 2, 2026
Mustang GTD rumored Nurburgring record time, Hyundai Boulder Concept and Chevy’s new LS6 engine

Mustang GTD rumored Nurburgring record time, Hyundai Boulder Concept and Chevy’s new LS6 engine

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Mustang GTD rumored Nurburgring record time, Hyundai Boulder Concept and Chevy’s new LS6 engine
Ford F-150 Lightning
Car

Ford F-150 Lightning

The Ford Lightning is a special version of the Ford F-150 truck. People like it because it’s a faster, more exciting pickup than a regular one. Here, they’re just getting theirs running and adding parts.

F-150 Raptor
Car

F-150 Raptor

The Ford F-150 is a large pickup truck. The podcast is saying that off-road capability is a big trend right now. It brings up the F-150 because it’s the base for off-road versions that many people want.

Term

adventure trim

An “adventure trim” is a version of a regular SUV that’s styled to look more outdoorsy. Sometimes it’s more than looks, but sometimes it’s mostly trim and a few changes like tires.

Term

37s

“37s” refers to 37-inch tires, a common shorthand in off-road circles for very large tires. Larger tires help with ground clearance and obstacle clearance, and they’re often used to signal serious off-road intent.

Hyundai Boulder
Car

Hyundai Boulder

Hyundai’s Boulder is a concept truck/SUV shown at the auto show. It’s meant to look and feel more like an off-road adventure vehicle.

Brand

Pagani

Pagani is a luxury supercar brand famous for very fancy, detailed interiors. The comparison is basically saying the design is aiming for that kind of premium, mechanical look.

Term

concept

A concept car is like a preview of what a company might build next. It’s not always the final product you’ll be able to buy.

Mercedes S-Class
Car

Mercedes S-Class

The Mercedes S-Class is one of the most prestigious luxury sedans. The host is comparing Genesis’s flagship to it to show how competitive the pricing felt.

Concept

going off road

“Going off road” means driving on dirt trails or rough ground instead of regular paved roads. They’re talking about whether more people are actually doing that now.

Term

EV

EV stands for electric vehicle. In this context, the speaker is arguing that because it’s an EV, buyers are less likely to take it off-road, implying different usage patterns than traditional off-road vehicles.

Term

manual transmission

A manual transmission is the kind where you shift gears yourself using a clutch pedal and a stick. The speaker is saying that manuals are rare now, so building a truck with one is a big part of what makes it different.

Concept

engine swap

An engine swap is replacing a vehicle’s original engine with a different one, often from another model or generation. The speaker notes that once you decide on the engine swap, you must also plan for “weak links” that can fail under the new power and torque.

Term

rear end

“Rear end” is shorthand for the rear axle assembly, including the differential and axle shafts. The speaker is emphasizing that you need to evaluate how much of the rear end is built/strengthened before adding more power.

Part

braided brake lines

Braided brake lines are upgraded brake hoses. They flex less when you press the pedal, so the brakes feel firmer and respond more consistently. That can make a big difference on performance driving.

Part

rubber brake line

Even with upgraded lines, some cars still use a rubber brake hose section. Rubber can stretch a bit when you brake, which can make the pedal feel softer. The goal is to minimize the parts that flex.

Concept

dyno

A dyno (dynamometer) is a machine that measures engine power and torque while the car is stationary. It’s useful for controlled testing because you can repeat runs and isolate variables without real-world traffic conditions.

Company

SEMA

SEMA is a big annual auto show focused on performance parts and custom builds. People go there to show new tech—like transmissions, wiring, and engine management systems.

Term

all wheel drive

All-wheel drive means the car can send power to more than just the rear wheels. That usually helps the car hook up better when you accelerate.

Concept

horsepower

Horsepower is basically how strong the engine is. More horsepower usually means the car can accelerate harder, especially when paired with the right drivetrain.

Company

GM

GM is short for General Motors, the big car company. They’re saying this new engine could be used in a bunch of different GM vehicles.

Term

forged internals

Forged internals mean key engine parts are made stronger than standard cast parts. That can help the engine survive harder driving or upgrades.

Term

compression ratio

Compression ratio is how tightly the engine squeezes the air-fuel mixture. Higher numbers can make more power, but they can also make the engine more prone to pinging if you add boost.

Term

direct injection

Direct injection means the fuel is sprayed straight into the engine’s cylinders. It can be efficient, but it can make tuning for boost more complicated.

Part

Whipple Supercharger

A Whipple supercharger is a device that forces more air into the engine. More air usually means more power, but it has to be set up correctly so the engine can handle it.

Concept

limited production

“Limited production” means only a small number of cars are made. That usually makes the car more exclusive, and it can influence whether the company later offers even wilder versions.

Part

carbon fiber body

Carbon fiber is a strong, lightweight material. The speaker is pointing out that the car had a carbon fiber body, which sounds premium, even if other parts didn’t match that level.

Term

aero

Aero (aerodynamics) refers to how air flows around the car, affecting drag and downforce. The host argues that aero differences are a major reason the GTD can be fast around a track, even if the engine family is similar.

Concept

wrapped

A “wrap” is a vinyl film put over the car’s paint. People use it to protect the paint or change the look for a while.

Term

bump stops

Bump stops are like the suspension’s “last stop” when the car goes over a big bump. If you hit them often, the ride becomes rough and jarring.

Term

E 15

E15 is regular gas mixed with a certain amount of alcohol (ethanol). Because it has more ethanol than normal gas, some cars may get slightly worse mileage.

Term

throttle

The throttle is the pedal that tells the engine how hard to work. When you press it, the engine burns more fuel faster.

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