Classic Muscle
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Authenticity reference

Engine, transmission, axle, and production date

numbers matching · documented

Reference Details

Common issue
Swapped V8, later four-speed, removed overdrive, changed axle, or current components represented as born-with proof without production-date support
Confidence
documented
Correct value
232, 258, or early-production 304 reconciled to its permitted transmission, axle ratio, emissions equipment, cooling, exhaust, component dates, and records
Where to check
VIN and build evidence, engine stamps and castings, induction, emissions labels, transmission case and controls, axle housing and ratio, cooling, exhaust, and dates

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation