Reference Details
- Common issue
- Swapped 350, added four-speed, changed axle, removed emissions equipment, or current displacement represented as born-with
- Confidence
- documented
- Correct value
- VIN- and record-supported L26, LC6, L39, LG4, or LM1/NA6 installation with its permitted gearbox, axle ratio, induction, emissions equipment, stamps, castings, and dates
- Where to check
- VIN, engine stamps and castings, carburetor and intake, emissions label and equipment, transmission case and controls, axle, dates, and serial-specific records