Newly upgraded to SMF 2.0 and now available on Tapatalk!
oh lord!
99' chevy 1500 5.3 is what my ECM is flashed to run stand alone.Not sure if express motors are 5.3 or 6.0i was hoping for simplicity to stay with the same 5.3 platform for the new car since they appear to grow on ebay trees.
already talked to the guy its going back 6/21