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Chassis reference

Pontiac 9.3-inch semi-floating hypoid rear axle

rear axle · factory

Rear Axle reference for the 1961 Pontiac Catalina Super Duty 421 1961 Pontiac Catalina Super Duty 421

Reference Details

Availability
factory
Limited-slip
No
Notes
The exact ratio paired with a particular 421 conversion is not established by the general AMA sheet.
Ratio
3.23 standard manual context; 3.42 performance and 3.64 or 3.90 special-order four-speed paths
Type
rear axle

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation