LEVELING UP

The mountain-moving capability that lies within a late-model Super Duty is staggering. Even an F-250 can tow more than 18,000 pounds when properly equipped. But even though the 6.7L Power…

ADAPT OR DIE

For years, diesel drag racing was static-like. Most Pro Street trucks were stuck in the 9’s, the Pro Mod field was miniscule, and the index classes were hit or miss. The sport wasn’t as…

Bomb Proof LML

When you crack a piston at 94,000 miles, you go all in. At least that’s what Garrett Zumwalt (@gzumwalt) did, a 21-year-old farmer from Silex, Missouri. With an ’05 LLY farmhand available for…

The Krush

When you grow up around show trucks, you just might be into them as an adult. Meet Pleasant Cook, the truck-building, UTV-racing, social media phenom you probably know best as 4×4 Barbie.…

Dinosaurs Aren’t Extinct

With all the recent common-rail dominance in diesel drag racing, the 7.3L Power Stroke may seem like an endangered species these days—but not in Brian Jelich’s world. He’s campaigning a…

  The Game Changer

Many will immediately recognize the charred front clip on this ’06 Silverado and remember when it went up in flames at Ultimate Callout Challenge 2019. But in 2021 it became known for…

Looks, Sounds, And Runs Like A Deere

If you’ve yet to hear the name Plowboy Diesel, do yourself a favor and Google “Twin Cummins Dodge.” This small, farm-based operation is known for building one-off vehicles that combine…

The Trials of Jesse Warren

When you can make one of the most hated engines in the diesel world a contender on the biggest stage, it does more than simply stir the pot. It scares the hell out of the competition. Perhaps…

Know Your 6.0L

If you own a 6.0L Power Stroke, you have an engine that is at least 14 years old. And if you haven’t yet had to venture under the hood, you soon will. Contrary to what many outsiders believe,…

Outlaw Diesel Revenge

Shortly after everyone rang in the New Year, Firepunk Diesel announced the merger of its Outlaw Diesel Revenge race—an early stop on the Outlaw Diesel Super Series schedule—with the Ultimate…

Stock-Appearing, 1,110 HP

When we heard there was an engine making more horsepower than anything else on the local Work Stock pulling scene, we had to see it for ourselves. Our curiosity brought us to LinCo Diesel…

Rudy’s Spring Truck Jam

Following a forced hiatus in 2020, one of the biggest events in the diesel industry came roaring back to life this spring. It’s called Rudy’s Spring Truck Jam and its return meant that East…

Ultimate Callout Challenge 2021

It’s the biggest event in diesel right now, and it may be for a while. It’s called the Ultimate Callout Challenge. The stakes are high, and the horsepower numbers are even higher. The…

The Evolution of Cummins Killer

It’s been on the scene since 2008, in one form or another. From Pro Stock to Super Stock, a big single turbo to compounds and then triples, and common-rail to mechanical injection, the name…

High-HP,  Budget-Built  7.3L

Thanks to their overbuilt nature, diesels afford us the ability to double, and sometimes even triple, their factory horsepower rating without having to dig very far into the engine. The 7.3L…