Engine System Identification
Transmission Identification 4L80-E:
Engine VIN Code ID [1] K
Engine Displacement 5.7L (350 cid)
Engine Configuration V8
Fuel Control System Throttle Body Fuel Injection (TBI)
Ignition System High Energy Ignition W/Electronic Spark Timing & Electronic Spark Control (HEI-EST-ESC)
Computer System Electronic Control Module (ECM)
Computer System Powertrain Control Module (PCM)
Remarks:
[1] The eighth digit of the VIN denotes engine code.