Obd1, but the very first year that a GM computer could be entered and reprogrammed via ALDL cableI'm too lazy to go back and look. Are you pulling and burning prom chips or does this have direct.
Tuning software is TunerPro
Dataloging and analytics are through EEHack, freeware actually
Flashhack transfers all of the data into the program sides
Both of those last 2 were written by the same programmer.
All 3 are free
