Powertrain Management: Application and ID

ENGINE VIN CODE I.D. [1] W
ENGINE VIN CODE I.D. (CALIFORNIA) [1] VIN 1
Engine 5.9L (360 cid) 8-Cyl
Fuel Control System Rochester Quadrajet Carburetor, 4 Bbl
Ignition System Electronic Ignition
Computer System Electronic Control Unit
Remarks:
[1] The eighth digit of the VIN denotes engine code.

Note: Heavy Duty - GVW 8501 lbs and over.
Note: Light Duty - GVW 8500 lbs and under.