NHRA - National Hot Rod Association

Veteran crew chief Donnie Bender explains how the RacePak computer is used for data acquisition and how that leads to quicker and more consistent runs.

A nitro clutch seems like a complex piece of machinery but veteran crew chief Donnie Bender helps us get a better understanding of how NHRA racers harness 11,000 horsepower in this week's Tech Tip.

Longtime nitro tuner Donnie Bender recently took some time to explain the evolution of the fuel system used by NHRA's nitro team including the latest all-in-one valve.

Fueling your engine is one of the most critical processes in racing. From idle to wide-open throttle, the range of ideal fuel-delivery scenarios requires a fuel map that can cope with every possible running condition.

No matter your class of racing, winning comes from hard work, a little “racer luck,” and meticulous preparation. This story is about preparing to win.

In the second installment of our Racing Technology series, veteran crew chief Donnie Bender provides an in-depth explanation of barrel valves and flow meters.

In the first of a two-part Racing Technology series, crew chief Donnie Bender explains how a modern nitro engine can burn 18 gallons of fuel on a single pass down the dragstrip.

Donnie Bender, crew chief on Paul Lee's Global Electronic Technologies Funny Car, explains how the blower lubrication system saves teams parts and money.

Torque converter technology has come a long way in the last few years. Alan Reinhart explains how they work in this week's edition of Reinhart Reveals.

NHRA on FOX's Bruno Massel (and a part-time Pro Stock racer himself) was in the pits at the 2020 Dodge NHRA Finals presented by Pennzoil with Elite Motorsports Rickie Jones talking Pro Stock car clutch setup.

The Hemi engines drag racers know and love get their name from the hemispherical (half of a sphere) combustion chamber that positions their valves 180 degrees from one another. Those monstrous valves are held in place by titanium retainers and steel keepers.

Part safety, part personality: NHRA on FOX’s Tony Pedregon talks about the one product every racer installs before they strap into their drag car

In this UTI NHRA 101, Bruno Massel gives a walkaround of the twin-turbo’d 2JZ engine in his Comp eliminator car. Check out the pair of 58mm inducer (inlet) Garrett turbos breathing through an air-to-water intercooler

Accoridng to Amalie Top Fuel crew chief Rob Wendland, all clutch discs have personality. "Some are just angrier than others. Others just want to go along for the ride. Too many angry guys and you have a mob and all they want to do is smoke the tires." Getting them to work together is key.

Superchargers produce the boost that allow today;s nitro-burning engines to produce 11,000 horsepower, but like every other part, they need servicing. Paul Lee Racin'g Donnie Bender walks us through the steps.

Superchargers produce the boost that allow today;s nitro-burning engines to produce 11,000 horsepower, but like every other part, they need servicing. Paul Lee Racin'g Donnie Bender walks us through the steps. First of two parts.

The are eight torture chambers that contain the 11,000-horsepower in a nitromethane engine—each one is a ductile-iron liner slid into a single CNC-aluminum block. Check them out!

To learn more about modern racing wheels, we turned to Josh Hamming, Technical Sales Specialist—Drag Race & Street/Strip at Weld Racing.

In the 1960s, V-8 engines with hemispherical “Hemi” cylinder heads were the symbol of factory-engineered horsepower.

Chevrolet’s top-secret Pro Stock race engine has been shrouded in mystery for decades. It’s known as the Drag Race Competition Engine (DRCE), and its architecture has been massaged into a nearly 10,000-rpm, fuel-injected, 500-cid race mill that actually began life with the Oldsmobile brand.

A close-up look at the fastest wheels in all of racing

We're taking you inside the minds of the engine builders who create the most powerful naturally aspirated 500-cid race engines on earth

We're taking you inside the minds of the engine builders who create the most powerful naturally aspirated 500-cid race engines on earth

We're taking you inside the minds of the engine builders who create the most powerful naturally aspirated 500-cid race engines on earth

Ever wonder how NHRA drag racing engines stack up against the world? Spoiler alert: We overpower every other motorsport on earth!

Shrouded in secrecy, Chevrolet’s Pro Stock Drag Race Competition Engine (DRCE) evolved the big-block Chevy into a 1,400-hp, 10,000-rpm, naturally aspirated motorsport weapon one race weekend at a time.

Can’t fit a torque wrench between your engine’s oil pan and flexplate? Use a box-end wrench to extend the reach of your torque wrench.

Another use for AN fittings that you'll kick yourself for not thinking of sooner.

This is project time, a season when social distancing means the safest place to be—is alone with your race car project. Send us photos of what you're working on.