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Authenticity reference

R3 pressure-box induction

trim correctness · documented

Reference Details

Common issue
R2 sealed-carburetor ducting, modern carburetor hardware, or a recreated pressure box is treated as complete R3 proof.
Confidence
documented
Correct value
Carter AFB enclosed by a natural-metal pressure box fed by the Paxton supercharger
Where to check
Engine compartment above the intake manifold

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation