KEEP YOUR S400, ENJOY YOUR ADDED POWER, & STOP SOONER

The Exhaust Brake Every Second-Gen Turbo-Swapped 6.7L Cummins Needs Whether you’ve ditched your 6.7L Cummins’ factory Holset HE351VE to make more power or you were […]

Bulletproof Your Dodge Transmission

Brown’s Diesel and Goerend Transmission Build a Race-Ready 47RH Four-Speed Automatic It’s no secret that diesel engines can handle stupid amounts of power. But transmissions? […]

Project Looks. Muscle. Longevity. (LML)

Improving a 2012 LML Duramax After a few months hiatus, Project LML is back for its final installment of the build. Over the last year […]

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 […]

QUESTION AND ANSWER

Should I Switch to Synthetic Lubes? I recently purchased a very low mileage 2010 6.7L Dodge Cummins, 2500 4X4, with 3.73 gearing and 6-speed automatic […]

RESEARCHING SOOT-FREE DIESEL ENGINES

New Fuel-Injection Systems Could Save Diesels It doesn’t take much to realize that diesel engines are taking a beating from electric vehicle corporations, environmental programs, […]

BUILT TRUCK REFRESH

THE LITTLE THINGS THAT KEEP YOUR HIGH-POWERED DIESEL ON THE ROAD Bulletproofing has long been a buzzword in the diesel industry, but is anything ever […]

DURAMAX VVT SCIENCE

AN INSIDE LOOK AT THE HT TURBO PROMAX 64 The introduction of the Variable Vane Turbocharger (VVT) on the LLY GM Duramax in 2004 may […]

LONG-HAUL DURABILITY, 700-HP CAPABILITY

CAPABILITY INSIDE FLEECE PERFORMANCE ENGINEERING’S NEW CUMMINS STREET HEAD The trickle-down effect from the competition diesel segment has a unique way of impacting the rest […]

BUMPERS BUILT FOR ABUSE

MERCENARY OFFROAD OUTFITS SUPER DUTYS The original Ford Super Duty was one of the longest-running platforms to remain largely unchanged, from 1999 until the aluminum […]