Quote:
Originally Posted by Racecomp Engineering
Haha sorry about that. The spring rates are not the cause.
I've felt the same thing on a variety of cars and with a variety of spring rate biases on the same car. The unifying factor is a motorsports oriented coilover (and yes I've felt it on different brands to varying degrees) with a lot low speed compression and gas pressure.
EDIT: but I personally would consider changing the springs because I think that may be a little too understeer biased for some especially with your bigger front bar. Different issue though and you should test what you have first before making changes. That one does have some personal preference.
- Andrew
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Thanks for the clarification

I'll try the 500 in F, 450 R for at least one event before deciding whether to swap them F to R. I primarily auto-x and do track days only occasionally, without any concern for lap times, so I've found that somewhat of a front bias is good for slaloms and for stability in sweepers while being able to get back on the gas sooner.
Currently it doesn't feel too stiff in front relative to the rear -- unlike when I had the Hotchkis 25 mm bar on for about a week with the Tarmacs/B8s. That bar made the front unbearably stiff and pushy, and very noticeable even on the street.