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Message: <blockquote data-quote="Paul" data-source="post: 347814" data-attributes="member: 9404">No, it's just the opposite.Delrin has an extremely high durometer, and allows near-zero deflection. This is good for providing consistent and predictable handling, but is very bad for NVH. I've only had personal experience with them in a k-member, but my racecar has all rod-ends (no bushings) which are only marginally worse in terms of ride quality and comfort. I would not recommend Delrin in a car that sees regular street duty.IMHO.Paul.*edit*I would also like to add that some deflection is important in stock-type rear mustang suspension. Bushings that have zero or near-zero deflection will tend to bind in a corner since the upper control arms are unable to change length. This will cause the bushings to bind (wheel rate will increase a few thousand percent) and things like snap-oversteer will result. NOt so bad in a straight-line car. Not so good in a streetcar.</blockquote>