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Authenticity reference

Transmission and axle alignment

date correctness · reported

1970 Pontiac GTO 6.6 rear view photographed by Vauxford; used for rear trim and GTO identification context. 1970 Pontiac GTO 455 HO

Reference Details

Common issue
Road-test axle ratios or restored-car claims are generalized to all 455 HO cars.
Confidence
reported
Correct value
Transmission and axle records should align with PHS paperwork and physical stamp/date evidence.
Where to check
Transmission case stamping, axle tube stamp/tag, PHS paperwork, and build sheet where available.

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation