GM

Restoration Made Easy with LMC Bikers, hot rodders, off-roaders, diesel truck guys. Deep down we’re all the same, we all get way too invested in […]

Testing PPE’s deep transmission pan on a ’15 GMC Denali Diesel transmissions have quite a tough job. As horsepower levels rose on 3/4 and 1-ton […]

Part One: Drivability & Efficiency Enhancements A one-ton truck was really designed to have only one purpose in life…heavy hauling and hard work. Big crew […]

2014 Scheid Diesel Extravaganza For the 15th consecutive year the Scheid Diesel Extravaganza took over the city of Terre Haute, Indiana, with nearly 15,000 diesel […]

Cognito Upgrades Improve GM Steering Woes Back in 1988, with the introduction of the GMT400 pickup platform, General Motors made a radical change: they introduced […]

Part 1: Short Block Shortcomings and Fixes When introduced in 2001, there were plenty of naysayers worried that the 6.6L Duramax diesel would never hold […]

Jason Hunter—a.k.a. the “Tow Master” from Irwin, Pennsylvania—has one unique truck. Many people have seen this truck posted on Duramax forums under his screen name […]

Project Mundane really isn’t as boring as it sounds, but with all the over-the-top projects we’ve been tackling lately, Project Mundane just fits. This 2010 […]

The oil pan on your Duramax diesel has an odd hump on the bottom. Amazingly, when your D-max oil pan was designed, this hump was […]

When Ron Carlson was young he was into the mini-truck scene and owned a tricked-out Datsun. That was in the late 1970s. While his passion […]

It’s no secret that an engine is a giant air pump, and anything you can do to eliminate restrictions on the intake and/or the exhaust, […]

Anthony Barraza from Fremont, California, used to enjoy driving BMWs. A couple of years ago, however, he wanted to experience something different and decided to […]

Diesel truck engines have occasional mechanical issues due to poor maintenance or faulty components. One major failure with diesel engines occurs in the fuel delivery […]

Like many businesses in the diesel industry, ShowTime Metal Works started out as a hobby. Brandon and Dustin Naivar were two brothers out of Taylor, […]

Back in 1988, with the introduction of the GMT400 pickup platform, General Motors made a radical change: they introduced an independent front suspension (IFS) for […]

A common problem with high-mileage 2001-2010 Duramax trucks is that the fuel filter head assembly begins to develop air leaks. The engine’s CP3 high-pressure fuel […]

Brian Randall — owner of Randall’s Performance in Gladstone, Illinois — wanted to put together a demo truck for his shop to show off the […]

Jeff and Sara West of Whitmore, California, pulled into Love Chevrolet in Monterey back in April of 2008 looking for a truck. It wasn’t their […]

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 […]

The independent front suspension (IFS) found under the front of the 2001-2015 GM Duramax trucks has always had the “rides like a Cadillac” reputation: offering […]