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Old 09-20-2016, 06:04 PM   #3
KillboyPowerhead

 
Drives: 2015 Z/22
Join Date: Aug 2015
Location: Ontario, Canada
Posts: 931
Pedders and other companies found that a bias of ~+5 mm works best for these cars, so with the SS front bar (23 mm) and the rear 1LE bar (28 mm) you're set; if you want even less body roll you could go after market - JusticePete here sells 27 mm front and 32 mm rear bars and I can say from experience that they totally kick ass!

With the 245 front tires and 275 rear tires you may still experience some understeer even with the 5 mm bias (depending on how hard you push the car), so to help alleviate that you could widen the front wheels and tires (with, for example, the 1LE/ZL1 wheels and go 285 all around; or a second pair of SS rear wheels up front for 275 all around).

Also as mentioned, if you can spend the money then springs/coil-overs and solid cradle bushings will help a lot too, followed by radius rod/trailing arm bushings, toe links/bushings, upper control arm bushings... and so on until you're broke.
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