Classic Muscle
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Authenticity reference

Engine identification number

date correctness · documented

Reference Details

Common issue
Casting/displacement claims not reconciled with EIN and vehicle build date.
Confidence
documented
Correct value
PT plant prefix for Trenton-built 383 noted by Hemmings, followed by displacement/date/sequence format.
Where to check
Driver side of 383 block near rear/oil-pan rail per Hemmings.

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation