Diesel Engines

12 to 18 Degrees–How Much Time Will We Gain? We hear it all the time, timing makes power. But how much power? Well, there are […]

When a country goes to war, it’s army needs more than bombers, tanks, cannons, rifles and ammunition. Those are part of what makes the tip […]

1927 CUMMINS MODEL P When 1927 rolled in, the Cummins Engine Company was in it’s eighth year of operation. Founding engineer Clessie Cummins had started […]

Giving an old, worn-out 12V Cummins a few fueling upgrades While the 12V Cummins might be considered a dinosaur to most in the diesel business, […]

A RESTORED AND REBORN 550HP ’01 DODGE You can’t buy trucks like this anymore, but if you’re a dyed-in-the-wool second-gen fan, you can certainly do […]

PART 3: FORD F-350 UPGRADE BASICS Well, Project OBSessed—our remake of an old-body-style Ford—is finally taking shape as we convert this worn-out truck with 220,000 […]

PINT-SIZED POWERHOUSE THE FARYMANN LDS While small diesels are relatively common in North America today, many decades ago they were found mostly in Europe. Such was […]

Keeping EGT and Coolant Temps in Check in A Modified 6.7L Cummins With 800 lb-ft of torque or more on tap and a stack of […]

Adding Power, RPM, and Longevity to a ’98.5-’02 24-valve Cummins While the 24-valve 5.9L Cummins found in ’98.5-’02 Dodge Rams can be a great workhorse engine, […]

Installing No Limit Fabrication’s Compound System on a Brand-New ’19 Ford In the past, we’ve shown you how tuning alone can bring a ’15-present 6.7L Power […]

A 1955 Caterpillar-Powered Lincoln Welder If you hear the word “Caterpillar,” your first thought is probably a bulldozer. However, you might be surprised to know Cat […]

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 […]

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 […]

Fairbanks-Morse 36A Engines Fairbanks-Morse was a well-established engine manufacturer when they started the development of their first four-stroke, high-speed diesel in 1932. The term “high-speed” […]

A Basically-New, 2007 Ram 3500—with 1,058 HP Keith Burwinkel knew exactly what he had from the get-go. In 2010, at a time when the verdict […]

Euclid TC-12 Dozer Companies take a big risk when they introduce something radically different than the norm. When the historical smoke clears, which might be […]

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 […]

A 1943 Military Generator With 69 hours Barn finds are the big thing these days and rare muscle cars or exotics usually get the hoopla. […]