UK & Ireland S2000 Community Discussions related to the S2000, its ownership and enthusiasm for it in the UK and Ireland. Including FAQs, and technical questions.

Coilover preload setting / bonus geo commentary

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Old May 2, 2014 | 12:47 AM
  #21  
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Originally Posted by Tim S
Worth bearing in mind rear geo differs between early and late cars - from what I can tell early cars need more rear toe for stability regardless of toe arms.
What Tim said. MY05 so you probably want less.

I think mine's about 12' either side. With less I found it a bit tedious keeping the back under control all the time, but it's all relative and depends on your driving style as well as everything else. More rear toe will make it more stable, but let go more suddenly, in theory. It's probably the single most important setting.
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Old May 2, 2014 | 02:25 AM
  #22  
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Originally Posted by loftust
What Dave said, but to put it another way, you get toe out under acceleration with rubber bushes - not a huge amount, and whilst we're not talking big figures here, small changes in rear toe can have a notable effect on the handling.

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I would say it's the opposite, you get toe in under acceleration.
When braking it might toe out a little though which would answer my question a bit
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Old May 2, 2014 | 02:58 AM
  #23  
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I'll give it a go with Total Rear Toe: 0°15, then as its an MY05 with the hard race toe arms. If it feels a bit too loose I'll take it back. All going to be a bit of trial and error.

It was last geo'd 18 months ago as well, so will be playing the seized bush lottery this weekend. Fingers crossed its not too bad.
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Old May 2, 2014 | 03:13 AM
  #24  
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That's what I've got on my 04, 0.16 overall and the same hardrace toe arms, it doesn't feel loose at all
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Old May 2, 2014 | 03:18 AM
  #25  
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Good to know! :]
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Old May 2, 2014 | 03:30 AM
  #26  
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I do have a bit more camber though, 2.5° which might help.
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Old May 2, 2014 | 04:31 AM
  #27  
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I have 10mins toe each side with 2deg10mins camber. That's with 10kg/mm coilovers and Hardrace toe arms. Feels lots more predictable than without, and not twitchy, especially with a stiffer ARB, which I've added since. Now going to balance up with a rear ARB and possibly 8kg/mm springs.
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Old May 2, 2014 | 04:33 AM
  #28  
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For reference, front is zero toe and 1deg20mins camber (probably going to increase the camber, as the shoulders were being stressed on my last track day).
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Old May 2, 2014 | 07:01 AM
  #29  
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Originally Posted by chrispayze
I have 10mins toe each side with 2deg10mins camber. That's with 10kg/mm coilovers and Hardrace toe arms. Feels lots more predictable than without, and not twitchy, especially with a stiffer ARB, which I've added since. Now going to balance up with a rear ARB and possibly 8kg/mm springs.
I would avoid touching the rear bar. You would be surprised just how much of a handful it can make the car. I had a Eibach Rear adjustable ARB and even of the softest setting it was too stiff.
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Old May 2, 2014 | 07:29 AM
  #30  
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Originally Posted by markforrester99
I would avoid touching the rear bar. You would be surprised just how much of a handful it can make the car. I had a Eibach Rear adjustable ARB and even of the softest setting it was too stiff.
Mine's great. Makes it much more balanced, certainly not a handful, and you don't get that slightly unpleasant twisting sensation you get if you only upgrade the front (cue people saying they don't notice). But I did notice that the rear is affected more by big bumps. But still, introducing an unbalance by only upgrading one end seems like a bad idea to me.

But obviously driving style, geo, coilovers, tyres etc.....
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