Matt Hagan, Matt Hartford, and Gaige Herrera join WFO after winning NHRA Thunder Valley Nationals
WFO Radio Podcast
Matt Hagan, Matt Hartford, and Gaige Herrera join WFO after winning NHRA Thunder Valley Nationals WFO Radio Podcast · Jun 16, 2026
Matt Hagan, Matt Hartford, and Gaige Herrera join WFO after winning NHRA Thunder Valley Nationals

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Matt Hagan, Matt Hartford, and Gaige Herrera join WFO after winning NHRA Thunder Valley Nationals
Term

diesel particulate filter

A diesel particulate filter is a device that catches the smoky soot from a diesel engine. Over time it cleans itself by burning the soot off so the exhaust stays cleaner.

Term

diesel oxidation catalyst

A diesel oxidation catalyst is a part in the exhaust that helps clean up the gases coming out of a diesel engine. It works with other emissions parts to reduce pollution.

Term

OEM replacement

“OEM replacement” means the aftermarket part is made to fit like the original factory part. The goal is that you can install it without major modifications.

Term

reverse OEM lookup tool

This is a website tool that helps you find the right emissions part for your specific truck. Instead of guessing, it uses your vehicle details to match the correct replacement.

Term

remanufactured

Remanufactured means a part is rebuilt from an old used version. The ad is saying they sell new parts instead of rebuilt ones.

Topic

NHRA Nitro is back

They’re talking about NHRA Nitro, which is NHRA drag racing coverage. It’s basically a “drag racing is back” moment tied to recent race weekends.

Topic

Thunder Valley Nationals

Thunder Valley Nationals is a drag racing event in the NHRA schedule. The hosts are saying they just had a great weekend there.

Person

Gaige Herrera

Gaige Herrera is one of the NHRA-related guests they’re trying to get on the show. The host says he’s busy but they’ll try to include him.

Person

Matt Hagan

Matt Hagan is a drag racer in NHRA. The show is bringing him on because he and his team just had a big winning stretch.

Person

Tony Stewart

Tony Stewart is a famous race car driver. He’s also connected to drag racing, and the host is mentioning him to describe the kind of fans listening.

Term

composite gaskets

A gasket is a seal between engine parts. Composite gaskets use special materials to hold tight better when the engine is running super hot and under a lot of pressure.

Term

ring seal technology

Piston rings are supposed to seal tightly inside the engine. “Ring seal technology” means the rings are designed to seal better, so less pressure and gases leak where they shouldn’t.

Brand

Total seal piston rings

Total Seal makes piston rings. Piston rings help seal the combustion chamber, and better sealing can mean the engine makes power more consistently.

Term

torque converters

A torque converter helps the engine and drivetrain work together when you launch. It lets the engine keep making power while the car gets moving, which is crucial for quick starts in drag racing.

Term

transmissions

A transmission sends power from the engine to the wheels. In drag racing, it’s built to handle big launches and repeated hard runs.

Term

engine spray

An engine spray is a product you apply to an engine to help it run better or protect it. In racing, people use them to try to improve how the engine behaves under extreme conditions.

Term

hot

Here, “hot” is being used like slang for performance stuff—things related to making the car fast. Fans sometimes get really excited about getting those parts signed.

Term

number one qualifier

In drag racing, qualifying is like a timed practice where everyone tries to set their best run. “Number one qualifier” means you were the fastest in qualifying, so you start the event with the best position.

Term

track surface

The track surface is basically how grippy the racing surface is. If it’s different (new or hotter), the car may hook up differently, so teams have to adjust to get the best launch.

Term

140 degree racetrack

A “140 degree” track is extremely hot, and that affects both tire grip and how hard the engine has to work. Teams usually need to change their setup when the track is that hot.

Term

crew chiefs

In drag racing, the crew chief is the team’s main decision-maker. They decide how to set up the car and what changes to make for each run so it performs well that day.

Term

pull the motor back

“Pull the motor back” means reducing how hard the engine is being worked—typically by dialing back power/boost or limiting load—when conditions are hot. In drag racing, that helps prevent overheating and keeps the engine from making unstable power under high thermal stress.

Term

lugged

“Lugged” here means the engine is being run more gently—at lower speed or load. Teams sometimes do this to manage heat, but they still have to keep the engine running the way it likes.

Term

put cylinders out

“Put cylinders out” means some cylinders stop working as effectively, so the engine doesn’t make smooth power. That can make the car behave unpredictably and lose grip.

Term

looping the tire

“Looping the tire” means the tire spins too much and doesn’t hook up. When that happens, the car can start sliding or rotating instead of going straight.

Term

under power

“Under power” means the engine is actively pushing the car forward, not coasting. It’s the part of the run where the car is working the hardest.

Term

eight cylinders

An “eight-cylinder” engine has eight cylinders that work together to make power. More cylinders firing usually means smoother and stronger power delivery when the engine is loaded.

Term

140 degrees

“140 degrees” is a heat number that can change how the car runs. When it’s hot, the engine and air behave differently, so the team has to adjust to keep performance consistent.

Term

buy run

A “buy run” is basically a free pass in a drag-racing bracket where you don’t have to race in that round. Teams use it to make a run and get the car dialed in for the next race.

Term

semi-final round

The semi-final round is the race right before the final. If you win here, you move on to the last race of the event.

Term

lopsided numbers

“Lopsided numbers” means one racer/team has been way faster than the other based on past results. It can make the matchup feel like a mismatch going in.

Term

horse power garage

“Horsepower Garage” is a drag-racing media/garage brand that shows up around events and interviews people in the scene.

Term

starting line

In drag racing, the starting line is where the cars line up to launch. Getting off the line cleanly and consistently is a huge part of winning.

1978 Trans-Am
Car

1978 Trans-Am

The 1978 Trans-Am is a classic Pontiac performance car from the late 1970s. The host brings it up to explain that he can’t just replace the car easily, so he wants insurance that covers it properly.

Term

staging lanes

Staging lanes are the controlled area at an NHRA-style drag strip where cars line up and prepare for a run. The host is saying the policy covers the race car not just at the track, but also while it’s in that pre-run staging area.

Term

race fuel

Race fuel is a special kind of fuel used for racing. Regular insurance policies may not want to cover it because it’s considered hazardous, so the host is emphasizing that his motorsports insurer will cover it.

Term

friction

In engine terms, friction is the resistance to motion between moving parts (like piston rings and cylinder walls). Higher friction increases heat, which can raise wear rates and reduce effective power output—especially important in high-stress drag racing.

Term

cylinder walls

Cylinder walls are the inside surfaces of the engine where the piston slides. If the surface is worn or rough, the piston rings can rub more, which increases friction and can hurt performance over time.

Term

swapping some engines

Engine swapping is when a team pulls out one race engine and puts in another. In racing, they do it fast so the car can keep competing even if something went wrong.

Term

bolted in our frame rails

“Frame rails” are the main longitudinal structural members of a vehicle’s chassis. Saying the engine is “bolted in” there describes how the engine mounts to the drag car’s frame for strength and alignment under hard acceleration and vibration.

Term

weld the motor plates

“Motor plates” are mounting brackets/plates used to attach the engine to the chassis. Welding them is a structural change that prevents movement and can improve repeatability of engine position—important in drag racing where small alignment differences can affect performance and reliability.

Term

dyno

A dyno is a testing machine for an engine. It lets teams measure how much power the engine makes so they can tune it for better performance.

Term

top speed

Top speed is the fastest the car gets during a run. In drag racing, it helps show whether the car has enough power and gearing to go all the way down the track.

Term

qualifying sessions

Qualifying sessions are the runs where drivers try to post the best times. Those times decide the bracket positions for the elimination rounds.

Concept

first round

In drag racing, the competition is set up as a bracket. The first round is the first head-to-head race—lose it and you’re out.

Term

motocross track

They’re basically saying the track used to feel rough and uneven, like a motocross course. For drag racing, a smoother surface helps the tires grip better and makes launches more consistent.

Term

glass

“Like glass” is a racing way of saying the track is super smooth and grips well. That usually helps cars get off the line more consistently.

Place

Bristol Dragway

Bristol Dragway is a drag racing track in Tennessee where NHRA events are held. When they improve the track surface, it can make the cars hook up and run more consistently.

Term

660 feet

In drag racing, the track is measured in sections. “660 feet” is an important early part of the run where the car is still getting up to speed, so the track surface there can make a big difference.

Term

pro stock

Pro Stock is a category in NHRA drag racing where cars are based on production models but heavily modified under strict rules. The goal is to make the car launch and accelerate consistently.

Term

lane choice

In drag racing, you race in one of two lanes. Even though they look identical, one lane can grip the tires better than the other, so choosing the right lane can help you launch harder and run faster.

Term

burnout

A burnout in drag racing heats and conditions the tires so they can generate maximum traction at launch. In top-level racing, the timing and execution of the burnout can strongly affect how consistently the car hooks and how repeatable the launch is.

Term

rosin

Rosin is a tacky substance used to help the tires grip. Drivers and teams use it so the car can launch with more traction instead of spinning the tires.

Term

pre-stage beam

The pre-stage beam is an early signal in the starting system. When you roll into it, it tells you you’re in position, so you can be ready for the actual start signal.

Term

both bulbs

The bulbs are the starting lights. If both cars trigger the lights at the same time (instead of one clearly leading), it can mess with timing because each driver is trying to react to the other car’s exact start sequence.

Term

mechanical power unit

They’re talking about the engine package that actually makes the car go. The supplier builds and owns it, and then the racing team uses it in their own race car setup.

Person

Matt Hartford

Matt Hartford is the person they credit for what they do with the engine after it’s delivered. Basically, he’s part of the team that turns the engine into a race-winning setup.

Brand

KB Titan

KB Titan is the company they’re talking about that provides the engine/power for their race car. The team then does its own tuning and setup to race their way.

Term

transmission ratio

It’s the “gearing” that determines how the engine’s RPM translates into wheel speed. The right ratio helps the car accelerate harder and keep the engine in its best power range.

Term

clutch

The clutch is what lets the engine power get sent to the drivetrain. In drag racing, how it’s set up affects how the car launches and hooks up.

Term

air pressure

It’s how much air is in the tires. The right pressure helps the tire grip the track better and launch consistently.

Term

timing

In engine tuning, “timing” refers to ignition timing—when the spark occurs relative to the piston’s position. More/less timing changes combustion pressure and can make the engine faster, but too much can cause knock or other damage.

Term

fuel curve

A “fuel curve” is the relationship between engine operating conditions (like RPM and throttle position) and how much fuel the engine is commanded to inject. In racing, tuning the fuel curve is essential to control mixture for power and to prevent detonation or bogging.

Term

shock

“Shock” here refers to the suspension shock absorbers (dampers). In drag racing, shock settings affect weight transfer, tire loading, and how the car launches and stays stable under acceleration.

Term

tree

The “tree” is the set of starting lights at the drag strip. Drivers try to launch right when the lights tell them to so they don’t lose time—or start too early.

Term

diamond Wally

A “Wally” is the NHRA trophy awarded to event winners, named after Wally Parks. A “diamond Wally” is a special/variant trophy presentation that’s typically associated with winning a particular marquee event or achieving a specific distinction.

Brand

Fogget

Fogget is a rust-prevention product. In this segment, they use it to protect metal and to keep an engine from rusting while it’s stored.

Company

Summit Racing Equipment

Summit Racing Equipment is a parts store that sells performance and racing supplies. They’re mentioned here as the place where you can buy the product and where the NHRA-related trip is going.

Term

surface rust

Surface rust is the early stage of rust that shows up as a reddish film on metal. It happens when metal is exposed to moisture, and it can get worse if you don’t protect it.

Term

fogged down

“Fogged down” means spraying a protective coating inside the engine so it doesn’t rust while it’s sitting. It’s a storage step to protect internal parts from moisture.

Concept

Project Pontiac

“Project Pontiac” sounds like the team’s nickname for a specific Pontiac they’re working on. They’re saying they protect the engine from rust when it’s going to sit for more than a day.

Concept

drag strip

A drag strip is a track built for straight-line racing. People go there to see which vehicle accelerates the quickest and runs the fastest.

Term

fog it

“Fog it” means spraying a mist of lubricant onto the chain. The idea is to coat the parts so they move smoothly.

Term

WD 40

WD-40 is a spray you can use on metal parts to reduce friction and help keep water out. The point here is that some sprays don’t last—they can wash or run off quickly—so a better product can stay on longer.

Term

centerline

The centerline is the line down the middle of the track. In many race situations you’re not supposed to cross it because it can mean you’re cutting across the track or driving in a way that could affect other racers.

Term

tag the wall

“Tag the wall” means you hit the track barrier. In most racing situations that’s a big deal because it can damage the car and be dangerous for everyone.

Term

330 block

A “block” is the main part of the engine. “330 block” sounds like a shorthand for a particular engine setup the team was using, and it’s mentioned here as part of what happened during the burnout.

Term

race control

Race control is the officiating/operations group that monitors the event and enforces rules in real time. They decide whether cars can proceed, issue warnings, and manage safety and compliance during on-track incidents and specific phases like burnouts.

Place

Summit Motorsports Park

Summit Motorsports Park is a drag strip where NHRA races are held. The track can be tricky, so teams have to dial in their car setup to get good traction.

Topic

NHRA Nationals

NHRA Nationals is a big drag racing event run by the NHRA. Teams race through qualifying and then elimination rounds over the weekend.

Person

Bill Bader Jr.

Bill Bader Jr. is a person connected to running the event/venue. The host is praising how smoothly things are handled.

Person

Antron Brown

Antron Brown is a professional drag racer. The host is saying they’ll talk about him more later.

Person

Brian Karate

Brian Karate is a professional drag racer. The host is mentioning him as part of the group dealing with launch/setup challenges.

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