X15 diesels showed quick throttle response and strong acceleration on the TRC's tracks. Engine brakes were impressively strong, even at low rpm's. A parade of X15-powered tractor-trailers led the ...

When it comes to diesel pickup trucks, the big three names have traditionally been Powerstroke (Ford), Duramax (GM and Chevrolet), and Cummins (Ram and Dodge). While each brand and its fans are ...

Nothing can ruin a perfectly good truck like the temptation of adding a cheap power upgrade. If a diesel engine gets the wrong parts, or even if the right part is installed before the vehicle (or ...