hey i've had a profile over at quad4forums for a while now so im not completly new to this and ive been working on my 93 gr. am for 7 years now when needed had to rebuild the tranny when i got it thou. im buying my dad sunfire this summer its got the ld9 with a q4 HO head and cams other than that its bone stock though we suspect the pistons may have been changed by the previous owner. im looking to get some performance upgrades on this thing when i get it. ideas are welcdome.