Your source for all things DIESEL
Drag racing with Christmas trees in Florida, UCC 2026 prep in Tennessee, an LML Duramax locks in for Lights Out 17, and we remember a 1,400hp fourth-gen sleeper.
Judging by all the attention compression ignition received at this year’s Performance Racing Industry show, it’s clear we’re in the golden age of diesel performance and technology.
The latest 4x4 diesel Pro Mod, Crazyhorse pulls in a crowd at PRI, a sub-4,000-pound Duramax is headed to Lights Out, and 1/8-mile ice racing up in Wisconsin.
What to expect at the PRI Show, another Seventy 2 Fast build gets underway, a P-pumped 7.3L, and a look inside a piece of 4BT-powered, custom-tailored ag equipment.
It’s battle-hardened vs. brand-new, VGT vs. fixed geometry, and Allison vs. ZF-6 in this husband-wife pulling partnership.
Proof that the ’25-newer Cummins is more powerful than we thought, TSD’s IFS Super Duty nears completion, and racers come out of the woodwork for a shot at $100K.
The highest payout diesel drag race in history, the Scheid Diesel Extravaganza returns to Terre Haute, and the Hot Shot’s Secret PPL joins forces with IHRA and OTTPA.
Puller Vs. Pusher. Can a third-gen Cummins pull a D9 bulldozer? Plus, all the details on WC Fab’s square body Duramax swap kit and a one-of-a-kind 4BT Power Wagon.
Dane Crowder’s 700 hp ’17 F-250 was built for hard work, rough play, and long-term durability.
Three top-notch builds from SEMA, GM loses its license to use Allison trademarks, Jelibuilt’s next 7.3L Power Stroke, and a Wyoming diesel mechanic receives a presidential pardon.
With a superior casting, oversized valve seats, and O-rings as standard equipment, Fleece’s new 6.0L Power Stroke cylinder heads are poised to change the game.
DDP’s plan to hit 4,500 hp, a new L5P Duramax horsepower record, ODSS drag racing returns to Ohio, and a pair of proven, 10-speed TorqShift options for ’20-newer Fords.
A hot-lapping, 1,200hp Cummins-swapped Ram 1500 that runs 6.70s like clockwork.
Cummins Killer III dominates Diesels In Dark Corners once more, a 5.70 Index truck goes no-prep racing, and FP Truck Fest 4.0 surpasses all expectations.
Proof that Wagler Competition Products has one of the best race engine programs in the country, a champion is crowned at the King Of The Street Challenge, and a new VP44 record could be on the horizon.
With all winter to fix anything that breaks, dozens of diesels go for broke at the season-ender in southwest Wisconsin.
Horsepower, carnage, pulling, and burnouts in Hub City, Wisconsin, radial tire racing in south Georgia, and another no-prep win for the Texas-based, Crazyhorse Ford.
The first Duramax to 3,000-rwhp, Nathan Wheeler’s hunt for a billet-aluminum Cummins, and Derek Rose plans to bring the world’s fastest 4x4 diesel truck out of retirement.
Fleece Performance Engineering’s affordable, common-sense fuel system solution provides the parts (and detailed instructions) every Titan XD owner needs to rebuild their lift pump.
D&J’s new, turnkey Cummins crate engines are a complete, drop-in solution designed to maximize up-time, simplify the engine replacement process—and even take the guesswork out of a Cummins swap…
Josh McCormack destroys the dyno again, fresh dragstrip builds from TSD and Stainless Diesel, and Scheid Diesel squeezes a fuel-only 2,671hp through its single turbo, Pro Stock puller.
Dante Delaney puts diesel on the map at Hot Rod Drag Week, the first plug-and-play module for ’25-newer Rams, and more on Josh McCormack’s record-setting dyno performance.
The home of the annual World Power Wheel Standing Championships hosts a diesel drag race—and a show ‘n shine full of unique engine swaps.
Josh McCormack becomes diesel’s new dyno king and the first to 4,000hp, JH Diesel & 4x4 impresses at Mid Michigan Mayhem, and ODSS racers invade the NHRDA World Finals.
6.7L Cummins and L5P Duramax horsepower recipes , billet-aluminum truck pulling bling, and upgrade season begins for one motivated ODSS racer.
Fleece Performance Engineering’s hometown sled pull attracts some of the nation’s best Limited Pro Stock and Pro Street diesel trucks.
A brand-new VP44 Cummins record, a 1,480-rwhp 6.7L Power Stroke, testing ramps up for Cleeter’s AWD vs. RWD shootout, and ZF-8 swapping commences at Firepunk Diesel.
As the late summer blockbuster steamrolls toward its 30th anniversary, the action at SDX just keeps getting better and better.
Drag racing and truck pulling from the 2025 Scheid Diesel Extravaganza, a rare Cummins-powered rat-rod, and a 4,400-mile OBS Ford trapped in time.
A tune-only, 645 hp from ’23-newer 6.7L Power Strokes, 36 Super Stock pulling trucks face off at one event, and WC Fab’s 6-second shortbed creation hits the road again.
