Quote Originally Posted by trlrider View Post
One can use the conversion kit from Scoggins Dickey and eliminated that issue. My '04 LM7 Avalanche use the 2006 TBSS intake and Throttle Body with the factory ETC and the '7603 OS!
Not the same comparison at all. If you try and use the 06 LM7 or L59 ETC system with a 04 OS it will trigger REP.