Engine Conversion

If a 360 came out, a 360 will go back in. But, if you didnt get the mounts with the car, then you'll need to know which mounts you need. The VIN tells us what engine it came with and what year originally, which may shed light on the mount question. I'm asuming you mean a small block chevy 383 or big block 454. It might fit, but you will need to come up with headers for both, and Chevies dont use torsion bars..so good luck with that. Also, the trans mounts isnt close, anf the tailshafts of a GM trans will not go thru the trans crossmember well. I have no clue about shifters or speedos either. IMO, a 360 Mopar back in it will outrun most big and small block GMs you meet. And, it takes less $$ than you might think, certainly less effort.