Reference Details
- Common issue
- Swapped engine, added four-barrel, Chevrolet-only 350 four-barrel assumption, missing catalyst, later transmission, or current engine represented as born-with equipment
- Confidence
- documented
- Correct value
- Application- and date-correct engine, induction, emissions equipment, transmission, cooling, exhaust, axle, and records for one GMC-confirmed power team
- Where to check
- VIN engine character, engine pad and castings, heads, intake, carburetor, air cleaner, emissions labels and hardware, transmission, cooling, exhaust, axle, component dates, and records