Powertrain Management: Application and ID

ENGINE VIN CODE I.D. (LIGHT DUTY) [1] Z
Engine 5.9L (360 cu. in.) V8
Fuel Control System TBI - Dual Point
Ignition System Electronic Ignition (Hall Effect)
Engine Controller 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.