The Duramax L5P is already a powerhouse, but smart upgrades and proper tuning can take it to the next level without sacrificing reliability. From advanced monitoring tools to first-to-market tuning ...

Introduced in 2001, Duramax turbo diesels are up there with the very best from Cummins for the Ram truck brand and Power Stroke for the Ford F-Series line. The 6.6-liter V8 in the Silverado HD and ...

The 6.6L Duramax V8 has been recognized among the greatest diesel engines for its combination of high output, towing performance, and durability. Producing 470 hp and 975 lb-ft of torque with an ...

Introduced in 2001, the Duramax V8 turbo diesel family was continuously improved over the years until the L5P that GM uses in heavy-duty trucks. Fully stock, the 6.6-liter mill develops 445 horsepower ...

Edge Products has just released performance tuning for 2015 Chevy/GMC 6.6L Duramax diesel and 6.0L 2500/3500 model gas trucks. The gas and diesel Evolution CS & CTS now come equipped with impressive ...

Last winter, I put a Garrett PowerMax Stage 1 turbocharger on my ’07 truck’s 6.6L Duramax engine. The truck ran great until I slipped my 30-foot toy hauler on the gooseneck. On the first long grade I ...