if this is in the wrong area please move
a mates just bought a let turbo engine and is going to drop it in his mk3 astra which currantly is running a 2ltr ecotec does he have to do anything to the engine bay or will it fit straight in.
also is there any instructions on info from people doing this before
he has the whole wiring loom for the new engine but is it hard to wire
any help would be great