I think another swap that would be cool is the strait sixes in the 95 jeep grand cherokees. Someone put on in a Pacer that turned out awsome (latest hot rod magazine). I wonder how it would fit in an early A?
The Jeep engine is basically a bolt-in for the Pacer & other AMC's.
There is also a company using the Jeep six & 2wd overdrive automatic in a replica of an early fifties Jaguar. Would be neat to see how it would work in an A body.