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A Super Stock Cummins is ready for the engine dyno, a 3-second Duramax dragster hits the hub dyno, the latest 6.7L Ford intake, and the largest L5P injectors to date.
It’s another record for the L5P Duramax platform and two cutting-edge 6.7L Power Strokes are headed to June’s $100,000 drag race in Indy.
Mikie Carrasco’s record-setting, full interior, 8,000-pound 4x4 Silverado is further proof the L5P is the toughest Duramax ever produced.
PPL uncorks its Pro Stock tractor class for 2026, another P-pumped Duramax puller is in the works, an L5P Duramax tow-rig runs 10’s on fuel, and a first-gen Cummins makes a nitrous-assisted 1,168 hp on the rollers.
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.
The story behind Neal Driedger’s 2019 GMC—the most powerful factory sealed L5P Duramax in the world.