DW  METH LEAD

Water Methanol Injection: More Power, Less EGT

Perhaps some of the most underrated performance parts in the industry are water-methanol injection systems. On street trucks, a well-tuned water-meth system can be worth […]
DW  FDOIL LEAD

Bullet Proof Diesel Oil Cooler 6.0L Power Stroke

Over the last decade or so, Arizona’s Bullet Proof Diesel has become famous with making the unfortunately infamous 6.0L Power Stroke reliable again. The 6.0L […]
ScheidDieselExtravaganza

Ultimate Callout Challenge: What Are You Doing This May?

I love me some racing. Hopping from event to event during the season is one of the things I enjoy the most about my job. […]
DW  TRAC

The First WD-40: 1935 McCormick-Deering WD-40

You’re forgiven if “WD-40” brought something else to mind. Before that incredibly useful product was invented, there was an equally useful product with the same […]
DW  EDIT

Used Diesel Engines: Aftermarket Industry Support

As diesel continues to grow in popularity, the availability of used diesel engines grows as well. While you can pick up a decades-old 6BT Cummins […]
DW  TDI b

2015 Golf SportWagen Comparison Test

The Volkswagen Golf was first introduced in the United States in 1974 and is now in its 7th generation. We wrote about the latest version […]
DW  SLED

Small-Town Sled Pull Gets Wild

What’s more American than spending the 4th of July holiday taking in a sled pull? While thousands of small towns across the United States celebrate […]
DW  DYNO

Tuned Titans: Calibrated Power Solutions Dyno Day

When you think of Chicago, Illinois, a few things come to mind, such as Michael Jordan and his 6-time NBA championship winning Bulls, the 106-year […]
DW  LB

Tech Q&A Part #4

Bogging Issues Hey there, I have a 1997 Chevy pickup with a 6.5L diesel, and I’m having some issues, such as a lack of power […]
DW  JSTATE

The 2015 Jefferson State Diesel Nationals

Full of long stretches of highway, mountains and lakes, northern California is the perfect environment for a diesel enthusiast. It should come as no surprise […]
DW  FUEL

Affordable Fueling Modifications: Duramax Upgrades

As with any diesel engine, more air and more fuel means more power. So naturally, the more fuel trucks receive, the better. However, not long […]
DW  EDIT

Modifying Vehicles: Editor’s Note

I’m addicted to modifying. Ever since I was a little kid, it’s been my passion. Heck, other than the three years when I worked at […]
DW  RAIL LEAD

Sandblaster: Merchant Automotive’s Duramax-Powered Sand Drag Rail

Nick Beaudoin is co-owner of Merchant Automotive in Zeeland, Michigan. The shop’s not far from Lake Michigan, but more importantly, it’s just over an hour […]
DW  GMGREEN LEAD

Supercharged Express: Brad Ponci's 1,000-hp Blown Cummins

When it comes to diesel performance, it’s easy to tread the same path as everyone else. Especially when it comes to 12-valve Cummins engines: It’s […]
DW  FDSILVER LEAD

Altitude Sickness: Dean Pigg’s Huge 2002 Ford F-250

Dean Pigg is a Ford guy through and through: He holds more than 24 years of experience in Ford assembly-line body shops. So when it […]
DW  JSTATE LEAD

Grabber AT2 Review: General Tire

My ‘98 Dodge 12-valve has been a great tow rig and daily driver, as well as an occasional off-road toy. For the last few years, […]
DW  OIL LEAD

Have a Healthy Truck: Oil Analysis Helps Maintain Truck’s Performance

We all know that diesel trucks are expensive to purchase and maintain, but how can we reduce our maintenance expenses while monitoring and improving the […]
DW  FDTRANS B

One Tough Tranny: A Mid-Level Ford Transmission Rebuild

The Ford 4R100 automatic transmission was introduced in 1999 and was mated to the 7.3L Power Stroke diesel engine. The 4R100 is a computer controlled […]
DW  GMPCV LEAD

No More Blown Boots: Merchant Automotive’s LML Duramax PCV Reroute Kit

Engines require crankcase ventilation to prevent pressure buildup that can blow out seals and cause routine leaks because all ICEs have a small amount of […]
DW  RAM B

Heavy Hauler: 2015 Ram HD Dually Test Drive

When you really need to tow a heavy load, the Ram 3500 DRW (dual rear wheel) truck can’t be beat. In fact, it’s top-in-class among […]