Reference Details
- Common issue
- W-30 decals, red inner fenders, or a 1972-style induction presentation are sometimes added during restoration.
- Confidence
- documented
- Correct value
- Regular-production 1973 Cutlass 4-4-2 uses W29 terminology; L77 is not represented as a regular 1973 W-30 package
- Where to check
- Factory brochure, option records, VIN, and car-specific paperwork