These are Graphite Impregnated Polyurethane by Energy Suspension, which by most accounts are at least not near as noisy, some say they have no problems at all. Having said that I've had raw poly bushings on a car many years ago... drove me nuts.
I'll see about some delrin first...thanks for reminding me.
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Brad G
Fort Worth, Texas
1969 Camaro
Last edited by American; 04-28-2011 at 06:31 PM.
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