Reference Details
- Common issue
- A later VR57 installation, badges, or display lettering represented as proof of a factory F-code car
- Confidence
- documented
- Correct value
- F engine code supported by factory records, a date-compatible supercharged 312 assembly, and matching installation details
- Where to check
- Patent plate, factory or registry records, engine identifiers and dates, supercharger tag and hardware, fuel and ignition systems