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poly vrs rubber bushings?

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Old 10-14-2010, 12:10 AM
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Default poly vrs rubber bushings?

Is there one type of bushing that is generally preferred over the other? Poly or rubber?
I have heard poly has a tendency to squeak, but I've only heard this.

Thanks,
Brandon
Old 10-14-2010, 12:27 AM
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Depends on what the bushing is going into and your goals for the car. Poly is stiffer than rubber, but it tends to bind which prevents proper suspension articulation (only really important if you like your car to handle well or have good street manners). I do have a poly bushing in my LCA (along with a roto-joint on the rear to allow for proper articulation) and haven't heard any squeaks at all. If you keep the bushings greased and they're not worn out they shouldn't make much noise if any.
Old 10-14-2010, 01:15 AM
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Thanks for the reply. I would like my car to handle well, but it never sees any track time, only daily driving street time, so I'll stick with the rubber bushings.

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Brandon
Old 10-14-2010, 01:57 AM
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depends are where the polys is.....my front end is poly....LCAs are del sphere.....PHB rod ends....the rear is waaaaaay noisier than the front
Old 10-14-2010, 06:04 AM
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Poly is pretty good if the roads that you'll normally drive on are fairly smooth. If they're like a lot of roads in the norteast, that get beaten up by the winter frost, you'll probably want to stick with rubber.




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