Reference Details
- Common issue
- Double-counting L89 or using replicated rare-engine equipment to create an unsupported claim
- Confidence
- documented
- Correct value
- L89 is an aluminum-head subset of L71; L88 is a distinct 116-car path; ZL1 is a separate two-car aluminum-block path
- Where to check
- Factory records, drivetrain identifiers, required equipment, and ownership history