Bomb Proof LML

When you crack a piston at 94,000 miles, you go all in. At least that’s what Garrett Zumwalt (@gzumwalt) did, a 21-year-old farmer from Silex, Missouri. With an ’05 LLY farmhand available for…

Project Looks. Muscle. Longevity

This Silverado 2500HD project was introduced in the March issue of Diesel World, so if you haven’t seen it, go snag a copy and get fully up to speed. You’ve missed just Part One of the build…

Common-Rail Injector Tech

When high-pressure common-rail debuted on the LB7 Duramax back in 2001, it changed the way we look at diesels. Ultra-high injection pressure,…

PROJECT LOOKS. MUSCLE. LONGEVITY

If you’re an avid reader of Diesel World magazine, this truck should be pretty familiar as we enter Part 8 in the build on this 2012 2500HD LML Duramax. Purchased used in November of 2017 with…

PROJECT LOOKS MUSCLE LONGEVIVTY

Part Five of our ongoing 2012 LML Duramax saga finally digs into to making this thing look better while offering a little more off-road versatility with a leveling kit, new shocks and some new…

Project Looks, Muscle, Longevity: Improving a 2012 LML Duramax

The Duramax engine has used a Bosch CP3 injection pump since its introduction in 2001 with incredible success. The CP3 injection pump has proven to be extremely reliable and capable of…

Project Looks, Muscle, Longevity Improving A 2012 LML Duramax

This Silverado 2500HD project was introduced in the March issue of Diesel World, so if you haven’t seen it, go snag a copy and get fully up to speed. You’ve missed just Part One of the build…

Mighty Green Machine: Custom Auto’s Silverado 3500HD

When you have lemons, you make lemonade, and when you break an egg, you make an omelet. In this single-use, disposable world, it’s refreshing to hear about a bad situation made better through…

Alternate Fire Cam: Strengthen A Duramax by Changing the Firing Order

With nearly 15 years of production, the 6.6L Duramax V-8 found in GM trucks has proven itself to be a…

Game Changer: 2,200-HP Common Rail Dominates

For years now, we’ve been hearing the same old rumor over and over: “Common rail injection engines are the next big thing; they’ll dominate diesel motorsports;…

No More Blown Boots: Merchant Automotive’s LML Duramax PCV Reroute Kit

A major drawback with PCV systems, especially in turbo diesel engines like the 2011 and newer LML Duramax engines, is that the hot crankcase gasses…