Wrenching Your Way In: How Brad Perez Built a NASCAR Career Without the Traditional Path
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Wrenching Your Way In: How Brad Perez Built a NASCAR Career Without the Traditional Path Be Differential · Jul 14, 2026
Wrenching Your Way In: How Brad Perez Built a NASCAR Career Without the Traditional Path

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Wrenching Your Way In: How Brad Perez Built a NASCAR Career Without the Traditional Path
Term

LO206

LO206 is a type of go-kart racing category where the rules keep the engine pretty much the same for everyone. That means you can race to improve your driving instead of spending a ton of money on performance parts.

Term

go-karts

Go-karts are small race cars that many drivers start with. They’re great for learning how to control speed and steering because the car reacts quickly.

Term

spec Miata

A spec Miata is a Mazda Miata that’s modified for a rules-based race series. The rules limit what you can change, so it’s more about driving and tuning the car correctly than spending unlimited money.

Term

SCCA

SCCA is a big U.S. organization that organizes amateur sports-car racing. They run events and classes with rules that help keep competition fair.

Concept

momentum based class

A momentum-based class is a race where keeping the car moving fast matters more than having extra power. Drivers try to carry speed through turns and avoid big slowdowns, because that momentum is what keeps you competitive.

Concept

Copart

Copart is an auction site where wrecked or salvage cars get sold. People buy them cheaply and then rebuild them for projects or racing.

Term

VVT

VVT means the engine can adjust valve timing as you rev. That helps it run stronger at different speeds instead of only performing well at one RPM range.

Concept

just a shell

“Just a shell” means the car was basically a bare body with few working parts. The builder then has to install everything needed to make it run and handle for racing.

Place

Homestead

Homestead is a race track in Florida (Homestead-Miami Speedway). It’s the kind of place where teams test and race because the track layout is reliable and well known.

Topic

Rolex 24

The Rolex 24 is a long, 24-hour race where teams keep the car running for a full day. The speaker is saying they were working that race, then had to leave to test their own car.

Term

spotting

“Spotting” here means helping out during the race—like being part of the crew that watches what’s going on and helps the team. It’s not the same as driving the car.

Place

Daytona

Daytona is a famous race track in Florida (Daytona International Speedway). People use it as a big reference point because it’s a high-speed track that’s well known in racing.

Topic

majors race

“Majors race” sounds like a bigger, more important race in their racing series. The speaker is saying they went to Homestead and raced in the main event.

Term

track day

A track day is when regular drivers go to a race track to drive their cars around for experience. It’s not a points race, but it can still feel stressful because you’re responsible for the car.

Mazda Miatas
Car

Mazda Miatas

The Mazda MX-5, or Miata, is a small two-seat convertible made for fun driving. It’s designed to feel nimble and easy to handle, which is why people often talk about it when they’re learning to like sports cars. The podcast mention likely connects to someone changing their mind about how good it is.

Term

MX five cup

The MX-5 Cup is a racing series where everyone races very similar Mazda Miatas. Because the cars are matched, it’s easier to see who’s the better driver and team.

Term

cage

A “cage” is a strong metal frame put inside the car for racing. It helps keep the driver safer in a crash and can also make the car’s structure stiffer. Because it takes up space, you may have to cut or reroute other parts so everything fits around it.

Company

BSI

BSI is the shop they sent the car to. It’s where the safety “cage” work was done. The speaker says they trusted the people there to do it correctly.

Concept

spec me out

"Spec me out" means getting the car set up to the exact plan the team wants. It’s like making sure everything is done the same way every time so the car is safe and predictable.

Term

tire sheet

A tire sheet is basically a checklist/log for the tires after each run. It records things like tire condition and temperature so the team can learn what worked and what didn’t.

Term

checklist

A checklist is a step-by-step list the crew uses to inspect the car. It helps make sure important safety items are checked every time, not just when someone remembers.

Term

tire pressure

Tire pressure is how much air is in the tires. In racing, getting it right matters because it changes how much grip the tires have and how they wear.

Topic

NASCAR

NASCAR is the big American stock-car racing series. Brad is describing how he raced on weekends in NASCAR-related events while working and learning the business during the week.

Topic

Xfinity

Xfinity is NASCAR’s “middle” series—one step below the top Cup level. It’s a common place for drivers to build experience before trying to move up.

Topic

ARCA debut

ARCA is a stock-car racing series. An “ARCA debut” means it was his first time racing in that series—an important first step toward bigger NASCAR-level opportunities.

Place

Watkins Glen

Watkins Glen is a famous race track in New York. It’s a road course, meaning the cars turn a lot and brake hard, so it’s a big deal to make your debut there.

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