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polyurethane bushings?

midlifez
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midlifez Member

midlifez

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My last sports car being a 1990 Nissan 300ZX Twin Turbo, (sure miss the turbos!), a common suspension upgrade was to replace the OEM rubber or silicone filled bushings for the sway bars, suspension, etc. I have searched here (key words "polyurethane bushings", "polyurethane" and "bushings") and found nothing related to suspension.

From looking under my '02 C2 Cab, it appears that the sway bar bushings are rubber which leads to my question - are there not any benefits on P-cars to polyurethane bushings or similar?

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wdonovan Member

wdonovan

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Mike at Bodymotion says changing the bushings is more dramatic than changing a swaybar. And this makes sense to me. I recently put a bigger TT rear bar in my 02 C4 Cabrio. I had to also get bushings to fit it. The new bushings were surprisingly soft. I can see how a lot of motion could get transfered through the bushings before the bar even starts working. Multiply this compliance times the number of soft bushings in the car and I'll bet it's significant.

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