Poly bushings aren't affected by ozone, road salt and the elements.
Rubber just breaks down.
On Wed, 22 Feb 2006, david.clement@verizon.net wrote:
>
> I can't see how a poly bushing can last longer.
>
> With rubber bushings the inner and outer shells are bonded to each other so
> there is no sliding motion. As long as the rubber is not twisted past it's
> elastic limits they should last all most indefinately and with most vehicles
> never having them changed they certainly have been proven.
>
> The poly bushings slide so if they do not have provisions to be greased they
> will wear out. Definately stiffer and can improve the handling in a lot of
> vehicles but I wouldn't say they will last longer.
>
> Dave Clement
> 99 SLT+ CC 4x4
>
> In article <38087.66.73.245.4.1140535962.squirrel@webmail.omg-stfu.com>,
> josh.lists@omg-stfu.com ("Josh Battles") writes:
>>
>>
>> On Tue, February 21, 2006 12:11 am, jon@dakota-truck.net wrote:
>>>
>>> Speaking of which - does anyone have any opinions on poly vs rubber
>>> bushings in general? The poly is supposed to be stiffer which will
>>> result in better handling and a tighter ride, but I'm hesitant to try
>>> it since I have heard poly can squeak something fierce. I think I'd
>>> give up a little performance in exchange for not drawing the attention
>>> of everyone at the local cruise-in as I pull in the lot going "squeak!
>>> squeak! squeak!" :-) How about bushing durability? Does one wear
>>> quicker than the other?
>>
>> Poly is definately stiffer and will wear longer in most cases. Switching
>> will help eliminate most of the slop in the stock suspension. It is noisy
>> though, I had a complete poly set on my stang and it creaked like crazy in
>> anything less than 40 degree temperatures. If you keep them greased and it's
>> warm out, nobody should be the wiser.
>>
>> --
>> - Josh
>> www.omg-stfu.com
>>
>> This message has been brought to you by the American Kneejerk Coalition for
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>>
>> .
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