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Authenticity reference

Engine serial number stamp location and VIN relationship

numbers matching · documented

VIN series, body, year, and Stage 1 evidence checks 1970 Buick GS 455

Reference Details

Common issue
A replacement or restamped engine may not have an engine serial number consistent with the car VIN.
Confidence
documented
Correct value
Engine serial number is stamped on the 455 CID V8 between the two front spark plugs and the exhaust manifold; the source states the engine serial number matches the VIN.
Where to check
Engine block area between the two front spark plugs and the exhaust manifold on the 455 CID V8

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation