Both engine families were offered in the 123 body, so the general answer is probably yes it will fit. The devil is in the details though and it might be a lot of bother.

Its a swap that probably has been done many times, I would imagine.

Tom W

__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.