Getting Up to Speed

It has officially been twenty years since GM introduced the Duramax and Allison transmission combination to the light duty truck market, and it’s safe to say it’s been a winner right from the…

Mighty Green Machine

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

High RPM Insurance – Dmax Welded Water Pump

Merchant Automotive’s TIG-Welded Water Pump With a 19-year track record under its belt, it’s safe to say the Duramax is one of the more reliable diesels to…

King Triad: A Transformed GMC Sierra

Cognito Motorsports is based in Bakersfield, at the southern end of California’s San Joaquin Valley, an area that benefits from both the ag industry and petroleum wells lurking beneath…

EXHAUST: WHICH ONE AND WHY

If you’re like most diesel truck owners, one of the first modifications you’ll make to your truck is a high-flowing exhaust system. With a cold-air intake and some kind of performance tuner on…

Max Fury: A One-of-a-Kind GMC Mega Cab

It takes a lot to stand out from the crowd of powerful diesel lifted trucks in the Lone Star State, but the MaddMax GMC Mega Cab always turns heads. This truck started life as a…

MAX POWER!

The basic Duramax engine hasn’t change much since GM put it that in the first HD Silverado and sierre back in 2001. It’s good solid engine performs well and can last for hundreds…

Hot Products

The SX-E intake elbow for the 5.9-liter Cummins is designed to replace your weak factory piece with heavy duty 6160 stainless steel. This directs airfl ow from your aftermarket intake directly…

IDLE UP

If you have ever wanted the option to raise the idle of your 2001-2004 LB7 Duramax truck without trying to balance a brick on the throttle, the team at Merchant Automotive in Zeeland,…

TENNESSEE 2 STEP: The 3rd Annual Rocky Top Diesel Shootout

Sled pulls and drag racing are two disciplines of diesel motorsport that are completely different, but both feature gobs of power and finely tuned diesel machines. We don’t always get…

HUNTING FOR HORSEPOWER

NASCAR fans dream of attending the Daytona 500, football fans want to see the Super Bowl from inside the stadium, and NHRA fans dream of seeing and feeling the rush of Top Fuel running four…

TURBOS, NITROUS, AND A BLOWER?

Diesel engines have been around for more than 100 years, but they have made leaps and bounds in the last decade. Sled pullers have nearly doubled in horsepower, dragsters have gone from 8s, to…

ULTIMATE WORKING HEAVY HAULER-DURAMAX EDITION

This is it, the end of a six-part series converting a runof- the-mill Duramax dually into the ultimate working heavy hauler. Over the past six months this truck has gone through quite the…

FALL BRAWL

Beans Diesel Performance is based in the small town of Woodbury, Tennessee, about 50 miles southeast of Nashville with a population of around 2,700 people. Yet the small town draws a crowd of…