Classic Muscle
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Authenticity reference

Optional gauges

trim correctness · documented

Reference Details

Common issue
Aftermarket or swapped gauge clusters used as SS proof.
Confidence
documented
Correct value
U14 Special Instrumentation was optional, not proof of SS by itself; L78 tach redline 6000 rpm when equipped
Where to check
Instrument cluster/tachometer and option paperwork

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation