1959 Buick Positive Traction Differential
SECTION 6-C - 1959 BUICK POSITIVE TRACTION DIFFERENTIAL 6-14 DESCRIPTION OF 1959 BUICK POSITIVE TRACTION DIFFERENTIAL General Description The 1959 Buick Positive Traction (non-spin) differential is optional in all series Buicks. It consists of a new type differential case assembly which is used in place of the conventional case assembly. All rear axle parts other [...]