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.
What Did EPA’s Lee Zeldin Just Say?
The greenhouse gas emissions proposal heard ‘round the diesel world.
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.
Under Bed Fuel Filter Upgrade For ’19-’24 Rams
Trade in plastic for aluminum, simplify water separator changes, and cut your filter costs in half with Fleece Performance Engineering’s latest bolt-on solution for ’19-’24 Rams.
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.
Small-town Sled Pull—Big Name Competition
PPL pulling comes to Lincoln County, Missouri—and brings the Super Stock and Limited Pro Stock Diesel Trucks with it.
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.
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.
The Best (And The Rest) Of U.C.C. 2025: Action From the Dyno, The Pits, And The Booths
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.
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.