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Authenticity reference

Axle and brake evidence

numbers matching · reported

1968 Oldsmobile Hurst/Olds photographed by SsmIntrigue; used for side-stripe, black-accent, and roofline context. 1968 Oldsmobile 442 Hurst Olds 455

Reference Details

Common issue
Restored car with incorrect axle ratio or undocumented brake conversion.
Confidence
reported
Correct value
S5 3.08 Positraction on W-46 A/C cars or T3 3.91 Positraction on W-45 non-A/C cars, with power four-piston front disc brakes
Where to check
Axle tube stamp, brake hardware, build documentation, and car-level inspection

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation