DW  JEEP

Comanche MJ: The 1986-92 Cummins-Powered Jeep

The 1986-92 Jeep Comanche MJ was one of Jeep’s better ideas. Essentially an XJ Cherokee with a pickup bed, the Comanche even had a factory […]
New Products

New Products

CUMMINS CAT FILTER ADAPTOR WHAT IT IS: Sinister Diesel CAT Filter Adaptor for 2004½ – 2007 Dodge Cummins WHY YOU WANT IT: Caterpillar’s superior 2-micron […]
DW  RUDY

Rudy's Fall Truck Jam

Over the last few years Rudy’s Diesel, a Durham, North Carolina-based shop, has hosted some of the most exciting diesel events that the East Coast […]
DW  MARY

Diesel Motorsports Events: Maryland Performance and Innovative Diesel

Diesel motorsports events continue to dominate Midwestern states, where sled pulling is a way of life. And with some of the biggest names in diesel […]
DW  ALSN

Tech Q&A Part #7

Fuel Filters & Cold Weather As you’re probably aware, it’s been cold here in the upper Midwest this winter. My truck began setting the trouble […]
lpop lead

7.3L Power Stroke Project: DieselSite HPOP & LPOP

Early model year Power Strokes have a different type of injection system than most modern-era light duty diesels have. If you’re a regular reader, you’ve […]
DW  HDH

Brig's '04 Ford Harley Truck: Cummins/Allison Combination

There aren’t many trucks that are universally liked by everyone, but Brig Pannepacker’s ’04 Ford fits the bill. Not only is his truck a stylish […]
DW  FDLPOP

Turbocharging 101: A History of the Modern Diesel Turbocharger

Diesel engines have been around forever—certainly as long as their gasoline-fueled counterparts. And while we have naturally aspirated, supercharged and turbocharged gas engines, the turbocharger […]
DW  DYNO LEAD

Key Ingredients: Real World Power Recipes from the Purdue Diesel Club Dyno Day

Dyno events are a great way to illustrate how different power combos play out in the real world. Instead of taking dozens of trucks to […]
DW  SHIFT

Full Control: BD Diesel 6.4L Tap Shifter and VGT Brake

While the 6.4L Power Stroke was virtually a home run for the Ford camp compared to its 6.0L Power Stroke predecessor, it still had its […]
DW  RTECH LEAD

Ford 7.3L Resurrection, Part 2: From Short-Block to Road-Ready

After getting the remanufactured 7.3L short-block and heads back from L&R Automotive, John Ferguson and his team at Domestic Diesel in Chino, California, began reassembling […]