The first thing that pops into my head is "tune issue". Have you already been thru that route?
The first thing that pops into my head is "tune issue". Have you already been thru that route?
2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.