The fastest wearing rear suspension part on 1963-’82 Corvettes is the strut rod bushing. The rubber A-arm bushings in the front suspension last longer because they only deal with rotation about their axis. In comparison, the small rubber bushing in the strut rod deals with both rotation and twisting as the suspension moves up and down. Wear in these inexpensive bushings is not much of a safety issue but it does change the rear wheel alignment, which could cause excessive wear on those very expensive tires.
The strut rods and the halfshafts are the two rear suspension members that determine how the tires contact the road. As the bushings wear, the bottom of the tire extends farther out with respect to the top of the tire. This negative camber causes premature wear on the tires’ inner tread.
Although this article focuses on how to replace strut rods on C2s and C3s, the procedure is similar for most other generation Corvettes. The parts options are also similar and include rubber or polyurethane bushings and adjustable strut rods. Zip Products joined with us on this article as they offer a full range of stock and performance parts for all generations of Corvettes.
Strut rod replacement is relatively easy to do. No expensive special tools are needed. This repair requires only the removal of three nuts per side (or one more nut if the spring is disconnected). And it can be done without a lift. Just be sure that the car is securely supported by jack stands when it’s raised because a degree of pushing, prying and hammering may be required, particularly on the shock mount. Follow along as we get down and slightly dirty repairing one of the prime trouble spots in Corvette’s independent rear suspension. Vette
Source: Read Full Article