Date: Thu, 16 Dec 2004 10:54:47 +1000
From: "Phuoc Nghuy" <Phuoc412nospamca.com>
Subject: Re: suspension bushings - poly or rubber?


On Wed, 15 Dec 2004 18:01:40 +1100, Craig's C900 Site wrote: > > Hi everyone, > > I need to replace suspension bushings and am getting mixed reactions when > I talk to people about the idea of replacing the existing rubber bushings > with polyurethane ones. > > What are your experiences with polyurethane bushings and do you recommend > using them or avoiding them? > > Regards, > > Craig. Avoid - unless you use your car for week-end track work. From personal experience they can wear out very fast, especially if subjected to both twisting and shearing forces. On a long journey they contribute to driver fatigue due to the increase in noise and vibration. Manufacturers spend a lot of R&D effort on optimizing NVH using finite element modeling, replacing rubber with polyurethane will alter this model in ways you may not imagine. Phuoc

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