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Bushings, poly or rubber


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Im replacing all the bushings on my stevens n/a. The dampers/springs will be the new bilsten set up. If I go poly all round is the ride going to be very hard. The car will be used for normal driving so track handling is not a priority. Any comments from anybody who has poly bushed their car with or with out the spring/ damper swap would be most helpful. Some of the bushes seem to becoming nla in rubber anyway but the ARB to wishbone is only availble in rubber.

Thanks

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Ploy should be fine in most locations but some will be more civilised than others. The Lotus ones are designed and tested to achieve original design spec handling and ride, better than the modern formula rubber ones.

You cannot get ploy ARB to lower wishbone because they were found to be not suitable. Also avoid upper front ploy ones, stick with Metalastic type there. The front lower front link on post 85 cars are also allegedly better left rubber.

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In my opinion,,,,,, no contest go poly, the ride will not deteriorate noticeably, and if you change to poly for the ARB to chassis it will stiffen roll resistance which to me is a good thing on modern tyres.

Life is like a sewer, what you get out of it, depends on what you put into it. (Tom Leahrer)

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Do not buy anything other than the Lotus spec poly bushes, as said above they are designed for the car and they work propperly.

I've got poly kits from so called 'specialists' and just caught the front wishbones sliding off the pivots before I had a serious mechanical failure.

The Lotus ones are expensive, but then again so is dropping the front wishbones off the chassis and stacking the car into a tree.

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Just to qualify your statement Jonathan, I thought your issues were with the top wishbones, for which Lotus do not manufacture a poly bush because they are unsuitable from any source.

Mine is poly throughout bar those top inner wishbones.

Life is like a sewer, what you get out of it, depends on what you put into it. (Tom Leahrer)

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In my opinion,,,,,, no contest go poly, the ride will not deteriorate noticeably, and if you change to poly for the ARB to chassis it will stiffen roll resistance which to me is a good thing on modern tyres.

Fine to use poly there but not where the ARB goes into the lower wishbone.

Yeah they do - pn# LOTAC 05453

I fitted them to my car about 2 years ago £140 for the 4 set.

The key difference is these actually keep the wishbones on the chassis becuase they require a 40 ton press to push in as opposed to your thumb.

Ah must keep up to date, in which case I retract the comment about sticking to metalastic for those, but don't use non-Lotus poly ones at that point (if you are going to use non-Lotus ones at all).

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I polybushed all round apart from the ARB to lower wishbone in early 08 before the Lotus sets were available. Got mine from PUK and although the ride is slightly stiffer it is still a comfortable ride. The local Lotus dealer fitted the lower front wishbone ones because as Johnathan said these need a press to fit. I would also advise giving all your suspension bits a coat of POR 15 while they are off the car, oh and good luck with the rear lower link pins, buy new ones to refit when you buy your bushes.

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