Your source for all things DIESEL
The LML Duramax horsepower record gets reset, the latest CP4 solution for the 6.7L Power Stroke is unveiled, and a brand-new Super Stock pulling truck makes its debut.
Ford continues to underrate its 6.7L Power Stroke, diesels compete with PDRA, and the inside scoop on O-Line—the latest Super Stock truck on the pulling scene.
Pushing a factory long block L5P Duramax to the brink, Wagler’s ultimate Cummins valvetrain solution, and Stainless Diesel’s new top-feed injector system.
Since joining forces with U.C.C., Firepunk Diesel’s Outlaw Diesel Revenge event has grown to become the biggest ODSS race on the calendar.
From Friday’s drag race to Sunday’s sled pull—and all the parts thrashing and sleepless nights in between—there was never a dull moment at U.C.C. 2025.
A new U.C.C. champ is crowned, ODSS drag racing from Indy, a fresh Duramax horsepower record, and the latest in CP3 technology.
1,500 hp and 10-second quarter-miles from a pair of factory long block L5P Duramax’s, ODSS race prep for Indy, and finding the limits of a 7.3L Power Stroke.
Welcome to the Track at Holzhauers—the place where hand-picked, elite-level truck and tractor pullers battle it out in a 2-night affair.
Greg A.’s all-aluminum Cummins, the latest 6.70 Index racer, a 4BT tucked into a Jeep CJ, and we take a trip to The Pullers Championship.
A veteran drag racer takes aim at the 1/8-mile 4x4 diesel record, Quality Diesel Performance hosts its annual dyno day and show ‘n shine, and a 48-hour OBS Ford build.
A purpose-built, 1,400+ hp F-350—and an owner determined to make it the world’s fastest 7.3L-powered 4x4 truck.
The ODSS season begins in North Carolina, a 1,300hp Cummins windows a block, and American-made diesel parts are alive and well.
Billet block engines, Rudy’s and U.C.C. prep, and a major breakthrough for 68RFE transmission technology.
The ultimate old-school Cummins swap, added bling for the world’s fastest Duramax, and Cleeter’s AWD Vs RWD no prep race is locked in for October 1st.
From wrecked to reborn, Nathan Wheeler’s triumphant return to drag racing might just be the greatest comeback story in diesel.
Multiple Duramax records set, dragster testing from Wagler Motorsports Park, and the fastest 4x4 diesel truck in existence goes up for sale.
The 4x4 Duramax record changes hands, WP Developments breaks ground on a Super Stock pulling project, and we take a look inside a 1,500 hp, SPE-built 6.7L Power Stroke.
More than just an event that celebrates an engine platform, Summit 7.3 is an annual gathering where enthusiasts, business owners, mechanics and manufacturers come together to improve the industry.
Super Duty body, second-gen Dodge chassis, deck-plate 6.7L Cummins—and built to win. Nick Zaenkert’s Ford is putting the Limited Pro Stock field on notice.
Another diesel in the 3’s, truck and tractor pulling from Louisiana, Diesel Truck Wars in North Carolina, and a diesel wins Cleeter’s $20,000 AWD vs. RWD Shootout.
The dreaded Cummins grid heater bolt, proof D&J builds some of the best engines in the business, Michael Brown’s big horsepower plans for U.C.C., and an old-school 6.4L turbo recipe that still gets the job done.
From mechanical 7.3L to common-rail 6.7L to P-pumped 6.7L Power Stroke, Ferenc and Nathan Vegh are determined to get a blue oval out front in the dirt.
A 10-second, subcompact from the 1970s, a 1,200hp late-model Super Duty, and first-gen skin for the Cummins-powered, American Outlaw monster truck.
Alan Watson’s rare, DT360 International-swapped Super Duty packs a Bosch P7100, a ball bearing turbo, and turns out 850 hp.
Inside: A first-look at the ’25 Ram, 2,100-plus hp on the chassis dyno, a 6.0L Power Stroke-swapped Lightning, and an easy 30hp gain for 6.7L Fords.
Trade your 6.7L Power Stroke’s failure-prone, plastic injector return line fitting in for a heavy-duty aluminum, double O-ring sealed replacement from Fleece Performance Engineering.
Two drag racers set their sights on deep 4’s, UCC prep goes full-steam ahead, and a look inside Denso HP4 high-pressure fuel pump failure.
Big news for the Outlaw Diesel Super Series, compression-ignition infiltrates the ranks of radial tire racing (again), a pair of must-see Cummins swaps, and we preview an EPIC 2025 pulling schedule.
Four days at the largest indoor farm show in America. Four nights of the finest wintertime sled pulling in the world.
Melted pistons, self-destructing CP4s, drag racers bound for Lights Out 16, and coverage from the indoor Super Bowl of truck and tractor pulling.
