Yes, but they need to match in part numbers.
No.
Any GM 350 small block head will fit. It all depends on what you want the engine to do. Stay away from aluminum heads if they get to hot they can warp. If we are talking about a genuine Olds engine, it will not interchange with any other GM 350 engine. There are some pretty good heads available from Edelbrock.
I think so, though the exhaust ports may be slightly larger on the FWD motor, but they are all GM heads.... they will fit but they are differnet the fwd have the fuel injectors in the head where the rwd has them in the lower intake manifold.
I have the same heads and from the info I found they 76cc heads with 1.72 intake valves
Yes, they are very different.
Yes it will with no problems.
NO, It is different.
I was told they did!
Yes.
Yes, There the same.
4.3 v6 gm late model
no, they wont. gm wheels fix Nissan and Toyota's for sure.