Diesel Tech / How-To

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 […]

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? […]

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 […]

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 […]

Part Five: Air Density Project OBSessed is now in to it’s fifth part of the build-up with a few basic bolts on already completed and […]

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 […]

Part Four: Horsepower. Finally. Now into month 6 of ownership of this classic old body style 227,000 mile Ford F350 and we’re starting on the […]

Part Nine: Traction and Steps Well, the old body style Ford build we’ve been working on for over a year now is really starting to […]

Adding 117 HP with Scheid Diesel’s Lightning Pulling Injectors We’ve started building our ‘95 Dodge “Green Monster” Ram to run 10s in the quarter-mile and […]

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, […]

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 […]

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 […]

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 […]

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 […]

DISASSEMBLING, ANALYZING, AND UPGRADING A BUILT E4OD—8 YEARS LATER The built automatic transmission is a mainstay in the diesel world. At some point, even the […]

Understanding the Ins and Outs of Your Electrical System The electrical system on your average diesel truck is both simple and complex. Many folks think […]

SIMPLE BOLT-ONS FOR THE L5P DURAMAX GM hit quite the home run when they released the new 6.6L Duramax and Allison transmission combo in their […]

THE L5P DURAMAX GETS CRACKED It wasn’t but two years ago that GM released the latest L5P Duramax platform for the 2017 model year. This […]

THE NO-FRILLS, BUDGET-FRIENDLY OIL LEAK FIX FOR 7.3L POWER STROKES Ask any 7.3L Power Stroke owner how long the engine is expected to last and […]

PART 11: DRESS IT UP Almost a full year of ownership of this higher mileage 2012 Silverado 2500HD and we’ve put it through quite the […]