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 ...

Jeep used the AX15 or NV3550 transmission in literally hundreds of thousands of Jeeps from the late 1980s to the early 2000s. And that's not even including Dodge light-duty pickups that used them in ...