S2000 Under The Hood S2000 Technical and Mechanical discussions.

Potential frame damage?

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Old Aug 9, 2006 | 02:50 PM
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Default Potential frame damage?

Dear all,

I'd like to thank everyone in advance for any opinions or advice given. I recently went to a local tire shop to get my front tires changed, and ever since I've gotten my car back I've noticed my handling has gotten worse. I thought it might be the tires at first, but we did a test and I ran on his tires with the same results. A friend mentioned perhaps the car had suffered some frame damage due to bad lifting on the bodyshop part. So after closer inspection, I noticed on the front passenger and driver side was jacked up behind the door line, well beyond the factory suggested points of jacking. Should I be worried, or am I just thinking too much? Any insight would be greatly appreciated.
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Old Aug 9, 2006 | 02:50 PM
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Have you checked your tire pressures?
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Old Aug 9, 2006 | 03:21 PM
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Brand new tires take 200-300 miles to break in, they aren't going to perform outta the box.
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Old Aug 9, 2006 | 03:44 PM
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The tire pressure is at 36 all around, the same setting I had it on prior to the tire change.

Hmm. I'm not saying I am taking up canyons right off the gun. I know that tires have a certain of layer you have to burn off before you can start taking hard turns safely without sliding.

The body roll is pretty noticable in comparison from before. I have a parking structure at work, and I notice while I'm in the u-turns now, my body is leaning more in my chair than before. It's frustrating to think that my car could've been damaged by a simple jack on the wrong point.
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Old Aug 9, 2006 | 03:56 PM
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If you're getting more body roll then you might in fact be getting better grip and handling with the new tires. More body roll would suggest that the springs are compressing more, which would be caused either by bad springs (doubbtful, as you have an '05) or more lateral force on the car from cornering, which could only really be caused by cornering harder on tires that give you more grip. I don't see that any frame damage could significantly change the body roll.

Or am I crazy?
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Old Aug 9, 2006 | 04:01 PM
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Interesting. Maybe I'm wrong, but I was under the impression, that if frame characteristics change, it would alter the way the car handles. If anyone else has any feedback on this, I'd love to put my mind to rest.
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Old Aug 9, 2006 | 04:10 PM
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I'm not sure. I know from damage would affect the way the car handles, but I thought it would be more in terms of unpredictabilty, not actual body roll. If your car was fine and you put on stickier tires then your car would have more body roll. If the frame was damaged though the car would do wierd things like pull to one side or hop around in the corners (just examples), wouldn't it?

Personally I've always thought AP2s had a lot of body roll to begin with.
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Old Aug 9, 2006 | 04:28 PM
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I think 36 psi is too high, try 32 all around and the car should be more compliant
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Old Aug 9, 2006 | 04:38 PM
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Thanks a lot guys for the great insight! I will try rolling 32 psi all around and see how that goes. I am still wondering if it is possible to for the jack to have warped the frame because of wrong positioning? Thanks to everyone who have given great feedback so far
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Old Aug 9, 2006 | 04:43 PM
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Originally Posted by RickS,Aug 9 2006, 04:56 PM
you might in fact be getting better grip and handling with the new tires.



A sure way to tell would be to have your alignment checked.



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