VW MKIII Total Suspension Rebuild pdf
Rebuilding the suspension is no small task. In this case, the rebuild consisted of an H&R Cup Kit and the replacement of two control arms with new Prothane polyeurethane bushings. The Cup Kit, bushings, and a “suspension refresh” kit were purchased from Potterman’s. The control arms were purchased from Adirondack Auto Brokers.
There are some things to know about doing the suspension before you go jumping into it. Most cars are equipped with some type of MacPherson strut suspension, and according to Chassis Engineering by Herb Adams, “…strut-type front suspensions became popular on production cars in the late 1970’s because they offered a simple and inexpensive configuration that doesn’t take up much space. It is particularly well-suited to front-wheel-drive production cars, because it allows room for the front drive axle to pass through the front hub.”(40) Adams then goes on to explain that a MacPherson strut setup is not used very often on true race cars because
1) It does not allow for wide tires and wheels without rolling fenders or increasing the scrub radius
2) There is little camber gain possible
3) Strut suspensions require large cowl heights, so it limits the lowering height of a low-profile race car
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