SEMA’s Best Diesels
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.
Diesel Drag Race
4,500 HP Or Bust!?
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.
Set On Automatic
A hot-lapping, 1,200hp Cummins-swapped Ram 1500 that runs 6.70s like clockwork.
Cummins Killer III Does It Again—A Clean Sweep At Diesels In Dark Corners
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.
Durability Defined: 60+ Passes At 2,500+ HP
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.
Hub City Dirt Drags 2025
With all winter to fix anything that breaks, dozens of diesels go for broke at the season-ender in southwest Wisconsin.
Crazyhorse Is Back On Top
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
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.
Ready To Run
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…
And For The Encore… 4,461 HP
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.
16th Out Of 200—A Duramax Impresses At Hot Rod Drag Week
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.
Byron Diesel Drags
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.
The Race To 4,000-rwhp—Is Over!
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.
Steven Giordano’s 2,271 HP Cummins-Powered OBS
6.7L Cummins and L5P Duramax horsepower recipes , billet-aluminum truck pulling bling, and upgrade season begins for one motivated ODSS racer.
1,480-RWHP Triple-Turbo 6.7L Power Stroke
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.
Scheid Diesel Extravaganza 2025
As the late summer blockbuster steamrolls toward its 30th anniversary, the action at SDX just keeps getting better and better.
The Triumphant Return Of Michael Cordova’s Wheels-Up, Record-Holding Rail
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.
Unleashing The Tune-Only ’23-’25 6.7L Power Stroke—645 HP At The Wheels
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.
Triple Turbos, Billet Sigma—America’s Favorite Super Stock Puller Is Alive Again!
Triple 107s and a billet Sigma for WP Developments’ “O-Line” project, a former ODSS champion finds instant success in the dirt, and the growing problem of spinning the crank gear on the 6.7L Power Stroke.
Unbeatable In The Dirt
Unkillable transmissions, a 2.6 class Cummins dominates the Indiana Pulling League circuit, a bullnose Ford gets a P-pumped 12-valve, and greenhouse gas emissions may be going away.
Full Tilt Peterbilt—The Triple-Turbo, CAT-Powered 359 That Runs 10s
Inside a homebuilt, 3,000hp Caterpillar-propelled Peterbilt, the first billet Cummins crankshafts hit the market, and a historic diesel Pro Mod goes up for sale.
Fireworks At Firepunk
Exploded turbos and a blown up LML Duramax, a new 6R140 record, a first-gen Cummins dominates the dirt, and a drop-in VGT that supports 945-rwhp.
Inside The New ZF 8-Speed
Randy’s Transmissions breaks the seal on the new automatic behind the ’25 Cummins, Jelibuilt discovers the ultimate 600hp 7.3L recipe, and truck pulling commences across America.
Holy Grail Hummer: A Duramax-Swapped H1
The ultimate H1, 11-second quarter-miles with a stock turbo L5P Duramax, NHRDA vs. ODSS, and the latest Power Stroke heads on the market.
FP Diesel Warz 2025
Surprise wins, new personal bests, and tight races abound at Fitzgerald Motorsports Park.
Dyno Certified: Ford Puts 100 HP On The GM And Ram Competition
An 18mm Sigma, a 7.3L block upgrade, Ford’s 6.7L Power Stroke remains top dog on the dyno, and diesel drag racing from SICK Summer and FP Diesel Warz.
461 HP And 1,014 LB-FT At The Wheels—Stock!
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.
The Aftermath Of Playing With Fire! (2,000 LB-FT Stock Bottom End L5P)
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.
Outlaw Diesel Revenge 2025
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.
Ultimate Callout Challenge 2025
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.