Recent Articles
Diesel Mecca: Inside Fleece Performance Engineering’s New 70,000 Square-Foot Facility
From pole barn to concrete superstructure in 10 years, Fleece Performance Engineering exemplifies the ultimate American-made success story.
Outlaw Diesel Super Series: 2019 Season Recap
From nail-biting index races to 4-second Pro Mods, there was never a dull moment in diesel drag racing this year.
Cummins Owner's Gift Guide: Stocking Stuffers
Looking for the perfect gift for the Cummins owner in your life? These budget-friendly must-haves are sure to light up their Christmas.
Project Paw-Paw: Part 3
Our sleeper 7.3L build takes a turn toward serious with the addition of big hybrid injectors.
Project Paw-Paw: Part 2
Addressing the 7.3L Power Stroke’s known weak links before bolting on our power-adders in our quest for 600 rear-wheel horsepower.
Project Paw-Paw: Part 1
From cornfield-crawler to Mustang-mauler, we’re quadrupling the horsepower of this old-school Ford diesel.
Most Hated: GM’s 6.2L and 6.5L Diesels
Are the old GM diesels truly the boat anchors of the compression-ignition world? Yes and No. Here’s why.