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.
Year: 2025
The Aftermarket Injector Return Line Fitting Every 6.7L Power Stroke Needs
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.
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.
Race To The Sand: Truck And Tractor Pulling From NFMS 2025
Four days at the largest indoor farm show in America. Four nights of the finest wintertime sled pulling in the world.
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.
Improved Under Bed Filtration
Fleece Performance Engineering’s new primary fuel filter assembly means simpler, more affordable filter changes for your ’17-’24 Ford.
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.
Rags To Riches
L5P Duramax-powered, Allison 10L1000-shifted and MoTeC controlled. Keith Porter’s tire-shredding, 2,800-pound hot-rod proves anything is possible in the diesel industry.
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.
2024 Record Setters: Landmarks From The ‘Strip, Dyno, And Salt
The year that saw diesel’s first-ever 5-second quarter-mile pass, countless 3-second eighth-miles, 315 mph on the salt, and a new diesel door car record.
Modern Diesel Drag Racing, Summed Up In A Picture…
Fortifying the 48RE, wintertime truck and tractor pulling in Kentucky, Ford recalls nearly 300,000 Super Duty’s, and Rod MacMaster’s radial-tire Corvette receives its billet-aluminum Cummins.