Ford’s heavy-duty lineup is defined by two very different V8s that answer the same question: how much work do you really need your truck to do, and how do you want it to feel while it does it. The 7.3 ...

Ford began installing 7.3-liter diesel engines, developed in conjunction with Navistar International, in its trucks in 1988. That first version featured indirect fuel injection, or IDI, and laid the ...

If you drive a diesel car or truck, you've probably bumped into the term biodiesel. Like most owners, you probably first saw the term biodiesel on the pump (as a mix for ultra-low-sulfur diesel) – and ...

Most diesel truck enthusiasts will tell you that engines don’t get much more reliable than the 12-valve Cummins. Meanwhile, the majority can find something negative to say about Ford’s 6.0-liter Power ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...