Engine Identification
Engines can be identified by eighth digit of Vehicle Identification Number (VIN). Number is located on plate at top left corner of dashboard and at base of steering column on van models. Engine code numbers are located at front of block, at right cylinder head on 5.0 and 5.7L engines and in front of intake manifold on 7.4L engines.
VIN ENGINE CODES
| Application | VIN Code | |
|---|---|---|
| 5.0L (305") 4-Bbl. | ||
| Federal | H | |
| Calif. | F | |
| 5.7L (350") 4-Bbl. | ||
| Light Duty | L | |
| Heavy Duty | M | |
| 7.4L (454") 4-Bbl. | ||
| Heavy Duty | W | |