hi as some of you my know by my other post i got a 91 gt 5.0 with aod i'm looking at a 5.0 out of a 89 5 speed car now my question is what all will i need to change on the 89 engine to work in my car i know i'll have to change the back engine plate and flywheel from my 91 engine since it's an auto not sure what else though ( just putting this engine in while i build my original )