Reference Details
- Common issue
- Bonneville, prototype, later engine, or dealer-installed equipment is generalized into 1963 production availability.
- Confidence
- documented
- Correct value
- The 1963 production page covers R1 and R2 only; factory R3 Avantis require separate 1964 R3 evidence
- Where to check
- Production order, serial/body chronology, engine identity, and the separate 1964 R3 record