Classic Muscle
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Chassis reference

GM 8.5-inch 10-bolt rear axle

rear axle · factory

8.5-inch Rear Axle: Optional Safe-T-Track · ratio is car-specific 1973 Pontiac GTO

Reference Details

Availability
factory
Limited-slip
No
Notes
Safe-T-Track was optional. Never infer ratio or limited slip from the GTO package alone.
Ratio
3.23:1 documented context; verify exact car
Type
rear axle

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation