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> Suspension question guys, from poly to roto joints...., cause it to push?
FASTFATBOY
post Mar 23 2011, 03:10 PM
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I am getting closer to my event this weekend, I have ordered all UMI roto joints for the rear. Along with lca relocation brackets.

The car has Spohn poly stuff back there now.....

The car has
Koni SA on rear, da on front.
Strano springs
1 le front bar, stock rear bar
Poly swaybar end links
275-40 all around.

I read where a guy did what I am about to do and it caused a push, car feels ok now but I'm a greenhorn.

The lcas in the rear are running downhill pretty bad.

Am I about to mess up?

Edit, opinions on initial shock settings for street tires ? All of them are set full soft as of now.y

This post has been edited by FASTFATBOY: Mar 23 2011, 03:15 PM
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sgarnett
post Mar 24 2011, 12:18 AM
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The poly bushings act sort of like running a stiffer rear sway bar. The Rotos will move more freely than the poly, which is sort of like switching to a softer bar. So yeah, they could shift the handling toward understeer, I guess. The same could be said of switching from poly to rod ends.

However, binding bushings really aren't a very good way to adjust the handling. I'd say install the Rotos and try it. If you need to pick up a little rear stiffness to balance it again, swap in a stiffer bar.
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FASTFATBOY   Suspension question guys, from poly to roto joints....   Mar 23 2011, 03:10 PM
CrashTestDummy   I would think that with the LCAs pointing downward...   Mar 23 2011, 04:04 PM
sgarnett   The poly bushings act sort of like running a stiff...   Mar 24 2011, 12:18 AM
FASTFATBOY   Car feels better, a lot less twitchy. Feels more p...   Mar 24 2011, 01:06 PM

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