Ratio is 2.94 with an optional 3.21 axle. A 3.21 axle is provided on air-conditioned models. A 3.21 axle is also standard with 345 h.p. On series 75 models, ratio is 3.36 with 3.77 optional. Spherical joint with Cadillac independent helical-coil type springs.
Rear springs are helical-coil type.
Manual height control provided. Cadillac Power Brakes. Effective brake lining area, 210.32.sq.in., 233.72 sq.in on Series 75 models. Cadillac Power Steering standard equipment with new over-all steering ratio of 18.9 to 1. Cadillac tubular-center X frame permits lower body for improved appearance and greater stability.