Delrin is indeed used for bushings, on cars where you care about handling but NOT ride quality.  (I think the ride is kind of like sitting on a jackhammer!)

Bill

 Leon Korkin wrote:
 > You must be kidding,
 > delrin is good bearing material, NOT bushing material.
 > Urethane is ideal material for bushings.
 > Leon
 > 85 Subwagen Westy