my friend just bought a 240zx, kind of rusted and broke down and hes trying to fix it up...he wants to know if puttin a 300zx engine in the 240zx would be a good idea..so?

Anything is possible...as long as you have the money. If a v8 will go in there then I am sure the v6 could as well. You need to check out

www.hybridz.org

You will most likely find what you are looking for there.

ROOPZ

I've heard the swap is more trouble than it's worth.