Originally Posted by cobalt327
Buick had their own X-body Nova clone- the Apollo (1973-'75)/Skylark (1975-'78). Not positive about '75 having both models at the same time.
Came w/the 350 Buick engine during at least some of those years, if not all- along w/the 250 inline 6 and others.
Bottom line- an easy swap.
Thank, that is it in a nutshell, it is so easy I wouldn't even call it a "swap". It is a bolt in.