With SpeedFactory's record of being the fastest, we can assure you this ECU conversion harness is what they use on their own cars! The use of an OBD-1 (92-95) ECU is needed for proper tuning of your high-performance engine.
OBD2 to OBD1 GM Adapter,OBD1 12 Pins 16 Diagnostic Tool...
JUTA OBD2 to OBD1 12-Pin Male Diagnostic Tool Adapter Connector for GM & Daewoo
JUTA OBD2 to OBD1 Adapter Compatible with GM and Daewoo OBDI 12-Pin Male Red
OBD2 OBDII to OBD1 Data Cable Converter Compatible with Snap-on DA-5 Adapter NEW
OBD2 Adapter Cable 3824-26 for KUBOTA Vehicles 4 Pin 16Pin to OBD1 4Pin...
OBD1 to OBD2 GM Adapter Cable 12 Pin to 16 Pin Connector OBD1 Scanner Extension