Introduction The 88-93 VR Commodores use the 1227808 ECM which is basically the same as a US 1227165 ECM that is limited by hardware to 160 Baud communications.  These ECMs have torque converter lockup control as required for a 700R4 or similar automatic transmission. Hardware Required for Tuning G1 Chip adapter and C2 27SF512 chip required to reprogram […]

Introduction The 93-95 VR Commodores  use several different ECMs that fortunately use the same tools for tuning.  These ECMs feature electronically controlled automatic transmissions ( 4L60E ) as well as engine control. Hardware Required for Tuning G1 Chip adapter and C2 27SF512 chip required to reprogram ECM BURN2 Chip Programmer programs 27SF512 chips ALDU1 with CABL1 […]