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Polyurethane rear control arm bushing question

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Old 01-31-14, 10:01 AM
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Polyurethane rear control arm bushing question

I've read that this can bind due to polyurethane only flexing one direction, and the rear control arm moves on more than one axis. My summer goal is to acquire adjustable toe arms, spherical control arm bushings, camber adjuster etc etc. So the polyurethane is temporary. I'm just curious if its going to bind so bad that it will cause damage. Is it better to have a 25 year old rubber bushing or the polyurethane for a few months?

I'm not concerned about dropping the subframe to replace these later. I blew up the diff so I am throwing in another open diff until I can track down a LSD unit. Basically the subframe will be coming down again later so I figure since I have the polyurethane bushings sitting around I might as well use em until the rear subframe gets rebuilt.
Old 02-01-14, 12:39 AM
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I changed mine to polyurethane. My factory bushings were not damaged, and even though they were rubber, they seemed pretty stiff. It's been years though and my car has been sitting.

It sounds like you are looking for heim joints all around. $$$$

Last edited by GrossPolluter; 02-01-14 at 12:41 AM.
Old 02-01-14, 08:11 PM
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Poly is fine if you don't run individual camber adjusters.
Old 02-02-14, 10:58 AM
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Is poly the only bushings that have this issue? Or do delrin and rubber comps too? Because wouldn't they flex in only 1 direction?
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