polyurathane vs factory rubber
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New User
Joined: Jun 2007
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polyurathane vs factory rubber
Anyone have a thoughts on polyurathane vs factory rubber for a 4x4? Would polyurathane bushings improve the ride or make it more rough since the polyurathane is hadder than rubber? Also does polyurathane stand up better to heat? I'm looking for the pros and cons for keeping my factory rubber bushings or swap out for polyurathane.
Post Fiend
Joined: Jun 2002
Posts: 13,873
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From: Atlanta GA
> Also does polyurathane stand up better to heat?
It is suppose to, though I have never kept a vehicle longer then 20 years :-) to test the theory. It does hold up way better when exposed to oil though.
For suspension, I would probably go poly, especially on a TTB.
For the body, I would keep the OEM rubber.
It is suppose to, though I have never kept a vehicle longer then 20 years :-) to test the theory. It does hold up way better when exposed to oil though.
For suspension, I would probably go poly, especially on a TTB.
For the body, I would keep the OEM rubber.
Elder User
Joined: Oct 2006
Posts: 705
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From: stinkin lincoln, maine
When I installed a 4" susp lift in my TTB I also added poly pivot and radius arm bushings, and the truck handles waaaayyyy better then stock now.
And I just got some poly body mounts this AM in fact, just because I'm putting in a bodylift and I think they'll hold up better. Plus just the 2 replacement bushings under the radiator support from the dealership are *almost* double the price of the whole polyurethane kit I got form summitracing.com
And I just got some poly body mounts this AM in fact, just because I'm putting in a bodylift and I think they'll hold up better. Plus just the 2 replacement bushings under the radiator support from the dealership are *almost* double the price of the whole polyurethane kit I got form summitracing.com
Postmaster
Joined: Aug 2008
Posts: 4,092
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From: Olympia
That is exactly what I do. Replace the rubber with the poly.
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