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 ...
When it comes to an affordable build platform it's hard to beat the '87-'95 Jeep Wrangler YJ. The sturdy little leaf-sprung Jeep's stout frame and cheap price make it a garage builder's best friend.