Chassis reference

R1 three-speed or Power Shift baseline

rear axle · standard

Exact-year R1 Avanti four-speed controls showing the floor shifter, boot, console, and pedal area; this view establishes control layout rather than transmission assembly originality. 1963 Studebaker Avanti

Reference Details

Availability: standard
Limited-slip: No
Notes: Other factory ratios were available; verify the production order and axle tag.
Ratio: 3.31:1
Type: rear axle

Cars With This Chassis Detail

1 linked car page.

1963 Studebaker

1963 Studebaker Avanti

63R-Q four-passenger fiberglass coupe

Sources & Documentation

Studebaker Corporation 1963 Studebaker Avanti R1 and R2 AMA specifications

Avanti Owners Association International Avanti transmission types