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Authenticity reference

R3 engine identity

numbers matching · documented

Reference Details

Common issue
A later B-series Paxton replacement engine is described as the factory-installed assembly.
Confidence
documented
Correct value
Factory-compatible R3S stamp, 304.5 specification, special heads, red engine finish, and dated components coherent with the car
Where to check
Engine stamp boss, block and head details, valley cover, pressure box, intake, ignition, and production order

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation