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...
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 engin...
