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Old 01-02-2013, 07:37 AM   #29
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The only reason you *need* a stiff sway bar is to increase roll stiffness without increasing bump stiffness. On a race car that's a moot point and stiffer springs will generally work better.
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Old 01-02-2013, 03:14 PM   #30
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Swaybars are an alternative to using stiffer springs but the tradeoff is lack of independent suspension travel.

The Eibach set includes a VERY stiff front swaybar to go along with the rear, so the balance between front/rear isn't too far off from stock, but if you were on a bumpy course or running over curbing in corners you might see issues.
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Old 01-02-2013, 05:08 PM   #31
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Precisely why we're still using stock sways on our car... we get asked all the time why we don't have sways "since they're so cheap".
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Old 01-02-2013, 05:22 PM   #32
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Precisely why we're still using stock sways on our car... we get asked all the time why we don't have sways "since they're so cheap".
Same here.. I almost switched during the black friday hotchkis sale but wanted to wait until I put some threaded body coilovers on the car first

I do run a big rear sway bar on my FWD cars though.
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Old 01-02-2013, 05:27 PM   #33
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It seems like sway bars are more popular in SCCA Stock Class due to the requirement of using stock springs. It's a cheap and easy fix to minimize body roll at the cost of less independent suspension travel. Please correct me if I'm wrong.
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Old 01-02-2013, 05:35 PM   #34
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It seems like sway bars are more popular in SCCA Stock Class due to the requirement of using stock springs. It's a cheap and easy fix to minimize body roll at the cost of less independent suspension travel. Please correct me if I'm wrong.
That's one reason for sure. The other reason is the misconception that high spring rates have to result in a bone jarring kidney crushing ride. I'd rather run higher spring rates on (this is key) good dampers than lower rates with massive sway bars.

They are also good for making a drastic change on one end, which I use to my advantage with FWD cars (ie massive rear bar, OEM or smaller front bar) to get a very neutral (or even tail happy/loose) car.
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Old 01-02-2013, 05:45 PM   #35
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I do like an adjustable rear bar to make quick balance changes, but it doesn't have to be a big bar (and it shouldn't for this car).

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Old 01-02-2013, 06:37 PM   #36
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Same here.. I almost switched during the black friday hotchkis sale but wanted to wait until I put some threaded body coilovers on the car first

I do run a big rear sway bar on my FWD cars though.
I thought about it too but thought the rear bars softest setting may not actually be soft enough.
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Old 01-02-2013, 09:01 PM   #37
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Quote:
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I do run a big rear sway bar on my FWD cars though.
Gotta make them rotate somehow! It's not nearly as big of a problem on FWD cars since they're not using the rear tires for putting power down on exits either.
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Old 01-02-2013, 09:05 PM   #38
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It seems like sway bars are more popular in SCCA Stock Class due to the requirement of using stock springs. It's a cheap and easy fix to minimize body roll at the cost of less independent suspension travel. Please correct me if I'm wrong.
Yes you can't change springs in stock class/RTR. Most of the time folks change the front swaybar on McStrut cars like ours to help reduce roll and maintain negative camber during cornering. That's what pretty much everyone is doing on this car since it doesn't really understeer too badly. On some FWD/AWD cars it's a crapshoot, some run big front bars to help out camber, some run bigger rear bars to help get the car to rotate.
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