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SCCA T4 Race Car Build - Suspension
Hi all, someone may already bring this up long time ago, but I did not find specific answer. Hope to get some help here.
I have my 2013 FRS since this March and had some track time in Michigan this summer. Since I raced Spec Miata before and really want to build this FRS to a full race car.
SCCA T4 would be good option. My question is what suspension/spring/damper is allowed in this class. Or what suspension do you use for T4 class? I bought my race ready Spec Miata, so I am new to how to build a car for racing. Any help would be appreciated.
What I found so far on SCCA GCR is:
Eibach 4.10582.880 and SPC 67660 allowed. Front strut tower brace allowed. Raceseng, part # raceseng-ft86-r-shock-top permitted.
Non-OEM limited slip differential allowed with +50 lbs. weight
penalty. 55mm flat plate restrictor required. Only 17” wheels permitted.
Eibach 4.10582.880 is Sportline Springs + Sway bar kits.
Does that mean the only spring upgrades to run T4 class is this Eibach Sportline Springs? We have to use OE damper?
Thanks,
Chen
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