Cummins Killer III Sweeps SDX Weekend
40 Super Stocks go on the hook at the Scheid Diesel Extravaganza, a new Seventy 2 Fast dyno record, and the next Cummins intake horn shootout.
Month: August 2026
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The Limited Pro Stock Duramax puller that somehow holds its own in a sport full of Cummins competition.
Can Common-Rail Hang At The Top?
Last week, common-rail performance invaded PullTown USA, a Duramax won the ring at the National Tractor Pulling Championships, and huge dyno numbers were made from coast to coast.
New 48RE 1/8-Mile Record: 4.82 at 155 MPH
UCC champ Myer Stump buries the 48RE record, Matt Santjer’s wheels-up BMW goes 5.50s, and a stock bottom end L5P Duramax gets treated to 1,300hp worth of fuel and air.
Winning At All Costs: An L5P Duramax Explodes But Also Takes Home The Payout
Carnage on the dyno, another Cummins Killer III win in the dirt, and a new land speed record in Bonneville.
The Ultimate First-Gen Tow-Rig
Back before folks were restoring ’89-’93 Dodges, Robert Schwarzli pieced together his own, one-of-a-kind first-gen—a crew cab long bed dually packing a compound turbo 5.9L Cummins, 550hp, and 24 forward speeds...
The Next 4,000 HP Candidate Is Alive
Randy’s Transmissions’ “Red Delicious” is back in the game, learn how to keep your factory 68RFE alive, and a friendly reminder that there is no fix for OEM Duramax crankshaft failure.