Custom Flatbed Ram

Steve Clauson built this unique flatbed Ram with his own hands. He’s a construction worker, so he knows a thing or two about layout and cutting. But his skills don’t stop there: he built the…

Building A Super-Strong 9.25 AAM Front Axle For Your GM Or Dodge

The independent front suspension system and 9.25-inch AAM axle delivered in 2001-2010 GM trucks is great at providing a smooth ride on the road, but when pushed hard—such is in…

Chevrolet To Debut First-Ever Silverado 2500 HD ZR2

Chevrolet is bringing ZR2 off-road capability to the 2500 HD truck line in 2024—and it’ll be available with Duramax power under the hood. In addition, an HD ZR2 Bison package will build on the…

GM’s First-Quarter Sales Represent Strong Start To 2023

Things are looking up for General Motors through the first quarter of the year. The auto giant and its dealers delivered 603,208 vehicles in the U.S. in the first quarter (up 18 percent),…

  The Game Changer

Many will immediately recognize the charred front clip on this ’06 Silverado and remember when it went up in flames at Ultimate Callout Challenge 2019. But in 2021 it became known for…

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…

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…

Exhaust System Kit: Magnaflow Modifications

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…