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Authenticity reference

R3 and R4 boundary

fraud detection · documented

Reference Details

Common issue
A later R3/R4 engine, clone, badge, or dealer-era conversion represented as a factory-built 1964 R3/R4 Hawk
Confidence
documented
Correct value
R3 and R4 were cataloged but no production 1964 GT Hawk was built with either engine
Where to check
Production order, engine stamp and specification, factory records, ownership history, and installation details

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation

Rock River Valley Chapter, Studebaker Drivers Club 1964 GT Hawk