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Old 10-21-2005, 08:18 PM
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Chris

I am in the mist of a suspension overhaul on a 70 Camino and would like to know which way to go in the debate between rubber vs poly for the bushings. Is there always a tradeoff between performance and noise when making this decision?

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Old 10-21-2005, 09:18 PM
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As the Moderator here....I would like to
WELCOME YOU HERE.....

As for your question........

I had a 1970 SS454 El Camino. It was my daily driver for over 10 years....but I never replaced the bushings. My performance interests were more in a straight line...about 1320 feet at the time....

Check back......we have a lot of very knowledgeable members .....who can answer this for you.

.
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Old 10-23-2005, 09:17 AM
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Thanks, Deuce. You are correct and I did find the answer, graphite impregnated. These bushings provide the performance without the squeaks.
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Old 10-23-2005, 06:49 PM
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I have found that the graphite ones still bind squeak. Find some way to drill and tap them for a grease zerk and grease them at each oil change. Personally I think I am going to swap my poly/graphite front control arm bushings back out for some rubber (high durometer if I can find them).
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Old 10-23-2005, 07:09 PM
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Chris Gerloff

Thanks Triaged. I guess I will stay with rubber don't really want to do this again and the rubber ones lasted 35 years besides how good is an El Camino going to handle anyway. I did notice a big difference when I went to poly on the anti-sway bar, didn't quite waller in the turns as much.
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Old 10-23-2005, 07:26 PM
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Poly can be good for some things. I have poly engine mounts, trans mounts, end link bushings, body mounts, etc... Those all seem to work well and because there is no twisting motion they don't squeek. The poly leaf spring bushings on my K5 are greasable and I don't have any bind/squeek from them. I should have made the control arm bushings greasable on my S10 when I installed them I would have to remove them if I was to try and make them greasable now and I think if I am going to go that far I would just replace them with rubber.
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Old 10-23-2005, 07:47 PM
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Poly can be good for some things. I have poly engine mounts, trans mounts, end link bushings, body mounts, etc... Those all seem to work well and because there is no twisting motion they don't squeak. The poly leaf spring bushings on my K5 are greasable and I don't have any bind/squeak from them. I should have made the control arm bushings greasable on my S10 when I installed them I would have to remove them if I was to try and make them greasable now and I think if I am going to go that far I would just replace them with rubber.
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Old 10-23-2005, 11:27 PM
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One of the poly bushing manufacturers (I can't remember which) now makes some of their bushings greasable.
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Old 10-24-2005, 08:00 PM
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Caraholic

Thanks Jimfulco but I think I am going back with rubber on the control arms at least.
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