Quote Originally Posted by LS2_KID
hmmm.. well do 3.90 or 4.10 gears, i don't think 3.73 would be a good enough improvement.. don't you have 3.55 stock?
i had 3.31 stocks but put the GT rear end in with the stock 3.55..so i guess 3.90 or 4.10. I'll do more research on the 4.10 and see what speeds/rpm it does.