Diesel Engines

How Factory Bottom Ends Are Kept Alive At Huge Torque Levels Whether the platform is Power Stroke, Duramax or Cummins, experienced tuners, knowledgeable mechanics, and […]

Inside PPE’s New Cast-Iron Duramax Heads Despite the fact that the Duramax’s OEM cast-aluminum cylinder heads hold up well in many applications, at the high-end […]

7.3L Upgrades RIFFRAFF DIESEL BILLET STAINLESS STEEL INJECTOR CUP SLEEVE SET 1994-2003 7.3L Got a 7.3L Powerstroke? Looking for a perfectly seated injector cup every […]

1955 Massey-Harris 33D When you talk to Massey-Harris tractor collectors, one 1950s model stands out as a proverbial “hen’s tooth” tractor, the Model 33 diesel. […]

A 50-State-Legal Tuning with over 136 horsepower gain at the Wheels! Around a decade ago it seemed like it was the wild West with diesel […]

Getting 650 to 700 HP Out Of Stock Is Easier Than You Think If you’re ready to play with your 6.7L Power Stroke, a decade-old […]

How The 5.9L Cummins Changed The Diesel Pickup Segment Forever It’s the mid-1980s and you’re on the hunt for a new-ton or larger truck… The […]

The Blueprint For Making Your 24-Valve Cummins Relevant In Today’s High-Horsepower World The second installment in this underdog diesel series brings us to the VP44-fueled, […]

1942 Caterpillar RD-1820 Radial Diesel In today’s world, a Caterpillar diesel in a tank seems like a naturally good idea. In World War II, however, […]

Make Your 7.3L A Contender Without Sacrificing Durability A quarter century ago, Ford’s HEUI-injected 7.3L Power Stroke was state-of-the-art. These days however, your ’94.5-’03 Ford […]

Buying Used and  Getting Back to Basics We’re coming up on a year of ownership with Project My2k and have really turned this thing around. […]

1972 Allis Chalmers DES-550 Generator Sometimes the best ideas come to a company and bear fruit at the worst possible times. Such was the case […]

1949 Mack Model 75 with Jimmy Power While this Vintage Smoke column usually centers around period original diesels, this  Mack drew our attention. While it’s […]

Buying Used and Getting Back to Basics Over the course of it’s nine year run of production, International produced almost 2-million 7.3L Power Stroke engines […]

Cummins, Duramax, Power Stroke —They All Break As much as some of us hate to admit it, diesel engines do fail. Pushed too far, there […]

1978 Case 1570 Agri King Case was within sight of the top power tier of the tractor market when it debuted the 70 series tractors […]

Why Diesel Will Survive The Current Push For An Electric World The whole world is going electric, or so we’re told. But the reality is […]

International Harvester’s Gas Start Diesels Making diesels user friendly was an uphill struggle in the late 1920s and early ‘30s. The advantages of the compression-ignition […]

You Otto Know The engine in this story is one of the last built in the United States with a direct connection to the beginnings […]

1970 Allis-Chalmers 220M Military In 1970, the United States Air Force announced it’s first operationally ready Bare Base squadron, the 336th Tactical Fighter Squadron. Part […]