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Bosch CP3 Injection Pump: Fleece Performance Technology

The Bosch CP3 injection pump has been used in the Duramax application since its introduction in 2001, and has since proved to be the go-to […]

Common-Rail Injector Tech

The Past, Present, and Future of Diesel Performance When high-pressure common-rail debuted on the LB7 Duramax back in 2001, it changed the way we look […]

The Maxx: 800-HP Dmax-Swapped H2

Hummer on Steroids The Hummer H1 Humvee has been one of the most capable factory off-road vehicles ever produced, a purpose-built, go-anywhere vehicle that the […]
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Connecting Rods: How Much Can Your Duramax Handle?

Killing a Duramax Since we gave the Power Stroke guys a little insight, as to what their powerplants could handle, it’s time to take a […]
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Alternate Firing Camshaft: Strengthening A Duramax

With nearly 15 years of production, the 6.6L Duramax V-8 found in GM trucks has proven itself to be a durable and dependable diesel. Throughout […]
Diesel Sellerz revealed their monstrous 6-door Mega Ram-Runner project truck. Even with all that rolling resistance and what seemed like a 20-ft long driveshaft, the 6.7L Cummins managed to squeeze out nearly 600 hp.

Northwest Dyno Circuit: Second Competition Event

On April 18, the newly formed Northwest Dyno Circuit (NWDC) held its second event hosted by No Zone Diesel in Orem, Utah. With dyno competitions […]

PPE Pump and T-Case Brace Kit Upgrade

The Duramax/Allison combo was a pretty solid homerun for the GM crowd right from the get-go when it was released in early 2001 for the […]
1. Master tech Ethan Barker of Left Coast Diesel helped us install the trio of affordable fueling modifications that made significant improvements in acceleration on our test truck, especially out of hole.

Affordable Fueling Modifications: Duramax Upgrades

As with any diesel engine, more air and more fuel means more power. So naturally, the more fuel trucks receive, the better. However, not long […]

Turbocharged Upgrade: HSP Diesel Duramax S300 Turbo System

Making 500hp in a 2001 to 2010 GM Duramax is easy, right? While easy may not be the right word, the Duramax is a very […]