Reference Details
- Common issue
- A tribute may be represented as a factory-built 1961 Super Duty 421 even though factory installation began in 1962.
- Confidence
- documented
- Correct value
- Pontiac assembled a 1961 Catalina donor; a participating dealer or race team installed the Super Duty 421 equipment after delivery
- Where to check
- PHS report, dealer invoice, parts invoice, race-team records, period photographs, ownership history, and installation evidence