PRI Preview
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.
Duramax Domination: 1,000 HP Apiece—And Always Out Front
It’s battle-hardened vs. brand-new, VGT vs. fixed geometry, and Allison vs. ZF-6 in this husband-wife pulling partnership.
Is Ram Underrating Its Factory Horsepower Figures?
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 $100,000 Diesel Race
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.
Test Hooking To A D9?!
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.
Everyday Diesel
Dane Crowder’s 700 hp ’17 F-250 was built for hard work, rough play, and long-term durability.
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.
Heavy-Duty And O-Ringed: Freedom Series 6.0L Heads
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.
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.
High-Quality DIY: The Nissan Titan XD Lift Pump Rebuild Kit That Will Save You Hundreds
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.
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.
Hoosier State Showdown 16
Fleece Performance Engineering’s hometown sled pull attracts some of the nation’s best Limited Pro Stock and Pro Street diesel trucks.
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.
DCR Conversion: The Ultimate High-Pressure Fuel Pump Solution For 6.7L Power Strokes
From blown-up to bulletproof, a 2019 Super Duty gets a new lease on life thanks to a DCR swap and a 2020+ long-block.
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.
2,000 LB-FT Of Torque—On A Bone-Stock Long Block
The story behind Neal Driedger’s 2019 GMC—the most powerful factory sealed L5P Duramax in the world.