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.
Diesel News
Welcome to your daily dose of diesel! This is where we break down the latest announcements from the OEM world, highlight the biggest news in the diesel aftermarket, and even showcase ground-breaking new products.
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.
The Road To 4,000 Horsepower
A 10-second Mercedes-Benz sleeper, a 4,000hp billet-aluminum block Cummins build, and the common-rail 7.3L that never came to be.
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.
Josh McCormack Conquers The Ultimate Callout Challenge
A new U.C.C. champ is crowned, ODSS drag racing from Indy, a fresh Duramax horsepower record, and the latest in CP3 technology.
2,000 LB-FT From A Stock Bottom End L5P Duramax?
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.
Mission 4,000 HP: Greg A’s Billet-Aluminum Cummins Is Coming
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.
Will This Truck Reset The 4×4 Diesel Record?
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.
It’s Showtime: The 2025 ODSS Season Kicks Off At Rudy’s Spring Truck Jam
The ODSS season begins in North Carolina, a 1,300hp Cummins windows a block, and American-made diesel parts are alive and well.
TSD’s New Billet Bullet
Billet block engines, Rudy’s and U.C.C. prep, and a major breakthrough for 68RFE transmission technology.
998 HP P-pumped Square Body
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.
The King Of All 4×4 Diesel Trucks Just Hit The Market
Multiple Duramax records set, dragster testing from Wagler Motorsports Park, and the fastest 4x4 diesel truck in existence goes up for sale.
World’s Fastest 4×4 Duramax
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.
A Diesel Dominates Cleeter’s AWD vs. RWD Shootout
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.
A 5-Second, Fuel-Only Ford That Could Be Yours
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.
World’s Fastest Diesel Chevette?!
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.
Beaten, Abused, And Brand-New: DNR Customs Torture Tests The New Cummins
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.
Michael Brown’s Deck-plated, Compound Turbo, And Flux-Fueled Cummins
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.
Fitzgerald Performance Joins ODSS, Brings Diesel Drag Racing Back To Tennessee
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.
Complete Meltdown
Melted pistons, self-destructing CP4s, drag racers bound for Lights Out 16, and coverage from the indoor Super Bowl of truck and tractor pulling.
Blown Into Oblivion
Engine carnage, giant turbos, grudge racing, and last-minute prep for the biggest indoor tractor pull in America.
Big Compounds, Lightweight, And 5-Second 1/8-Mile’s
A look inside SICK Week, a pair of rear-wheel drive 6.70 Index racers with enough left under the hood to go 5’s, and a short word on counterfeit diesel products.
Are Ultra-Clean OBS Fords Worth $70K?!
Classic diesel repowers, the high-dollar, mint condition OBS Ford craze continues, and the abolishment of EV mandates.
Collapsed Lifters—The Fifth-Gen Failure Your Cummins Doesn’t Deserve
The inside scoop on Cummins lifter failure, a stand-alone VP44 controller, a Texas drag racer heads to Europe, and the latest mega-sized turbo for the racing scene.
The 2025 Ram Arrives—With A Completely Revamped Cummins
The latest on the 2025 Ram powertrain, indoor truck pulling from Indiana, a 5.0L Cummins C10 for sale, and a violent CP4 failure.