performabuilt

iTrader: (25)

Anyone know of a tuner in that area that can handle tuning for a high stall converter in a 2004 GTO if so please PM me
Thanks
Frank at PerformaBuilt

hellbents10

iTrader: (10)

Sure just cruise across the lake lol.

89 formula350

iTrader: (8)

might want to try eng. performance machine (I belive the whole name is) they moved near airport road and have an in house dyno they have done lsx tuning from what I am told but I can't say just how good they are from any first had dealings


I have heard the other dyno in madison is real crappy shop that does most of the import junk which usually blows up after there tune

rpmauto

iTrader: (14)

Bruce Melton in Green Bay area is another good one. There is one In Waunakee that is a real hack job. Stay away from him.