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  #13  
Old 01-16-2010, 12:11 AM
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Re: Polyurethane Bushings.... Are they worth it?

Back in my F-body days, i had the full kit and let me tell you something... it handled like nothing i have ever driven! i could make a hard left and i would have full control with no body roll.
The only thing that sucks was the squeaking, you need to grease those bushings very good.
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  #14  
Old 01-16-2010, 01:27 AM
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Re: Polyurethane Bushings.... Are they worth it?

According to the Bwoody site,they use custom Energy Suspension bushings. It doesn't specifically say poly or rubber but i don't believe they produce any rubber products, but i could be wrong.

And yeah-they should be greased with a hi quality (synthetic) chassis lube or grease, so as not to dry and squeak on you. UNLESS you get the Energy Sus. black bushings which have graphite impregnated and are not supposed to need any gease.
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Old 02-17-2010, 12:59 PM
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Re: Polyurethane Bushings.... Are they worth it?

Poly bushings do squeek which gets annoying, and particularly if you have to dissasemble things to grease them. Other than that they work very well. TPR is another popular choice (thermo plastic rubber) but they do compress after time, unlike poly. Energy Suspension bushings; I have them on my SHO and they are neither poly or TPR; a little softer than poly but don't sqeek or compress.
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  #16  
Old 02-17-2010, 01:09 PM
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Re: Polyurethane Bushings.... Are they worth it?

if you are going to get TPR then make sure it's thermoset and thermoplastic ... cuz thermoplastic upon heating will soften up and change shape while thermoset will harden upon heating and therefore no shape forming ...

would you believe me if I told you just learned this 3 weeks ago in my materials engineering class LOL
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