Hi Kerry K,
Gee, I don't know if there are very many Jeep-heads here? I believe those two transmissions were used in some later model Jeeps. You might have better luck on a Jeep forum or a Chevy forum for the MA5??
These guys *might* be some help?
http://www.advanceadapters.com/Are you going to swap in a straight axle front end with manual hubs on that 318i?
Gnarls.