Powertrain Management: Application and ID

Engine VIN Code (Heavy Duty) [1] 5
Engine VIN Code (Light Duty) [1] Z
Engine Displacement 5.9L (360 cid)
Engine Configuration V8
Fuel System Throttle Body Injection (TBI)
Ignition System Hall Effect Electronic Ignition
Computer System Single Board Engine Controller (SBEC)

Remarks:
[1] The eighth digit of the VIN denotes engine code.
Note: Any vehicle over 8501 lbs. GVW is considered Heavy Duty
Note: Any vehicle under 8500 lbs. GVW is considered Light Duty