Heavy-duty Ram trucks used the Mopar 68RFE and Aisin AS69RC transmissions in their lineup. Here's which one is better, as ...

The longest-lived diesel still rolling out of factories is not a museum piece or a limited-run curiosity. It is a workhorse straight-six that has powered everything from farm trucks to modern ...

With 2012 upon us and fear mongers around the world preaching, “The end of days is near,” it was time for us to bring you an engine buildup that’s ideal for any doomsday scenario. Unlike many of our ...

Diesel enthusiasts’ interest in engine swaps is at an all-time high, spurred on by owners’ love of their aging vehicles and disenchantment with the performance of their factory-installed powerplants ...