You need to get either a Wester's or Nelson's tuned PCM.
http://www.ecmprogrammer.com/
www.nelsonperformance.com
00 Silverado Z71 LT EXT Wester's 93, Dynomax, Poweraid, K&N, LS1 fans, Corvette Servo, Trans-go
96 Yukon 4 x 4, 4dr, SLT Wester's 93, UPD, MSD, Magnaflow, Casper's, LT1 fans, Corvette Servo, Trans-go **S O L D**
|