Thanks alot Lee, I will look further at the TPS stuff as well as the IAC stuff as someone suggested on the f-body list. Jeff http://FindFastCars.com 93 Formula Mods: 355 forged for NOS, LT4 HotTop, 58TB, SLP Cnvrtr, 3.73s, Mufflex/Spintech 4" exhaust, Hooker LTs, 300+ Ign, Injctrs, MSD Adj Win Sw & 3 Ign Ret, K&N CAI, Diacom, CATSTuner...