Ray,first, welcome to the site! I don't think the chevelle setup will work in your bird.I think you need bird regulators and the motors may differ as well.Don't quote me on this.Someone else will pipe in shortly to help confirm.
David
http://FirstGenFirebird.org/show/closeup.mv?CarID=571 If i don't get this car back on the road soon i'm gonna go postal! On a quest for FGF knowledge 1968 Pontiac Firebird Convertible 1969 Oldsmobile Cutlass "S" Convertible *Sold*