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GRs in STU autocross
GRs in STU autocross
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Old 02-28-19, 01:47 AM   #661
Scandix16
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Default Re: GRs in STU autocross

Looking forward to meeting folks at the Pro & Dover.
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Old 05-15-19, 08:11 PM   #662
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Default Re: GRs in STU autocross

Bump from the dead!!!

ASP was fun, but SM beckons. I'm curious if anyone had any insight on optimal spring rates for big sticky Hohos

From my (most likely incorrect and horribly applied) math on motion ratios and effective wheel rates, I think that a range of 750lbs/in to 950lbs/in is going to be solid, and my starting point will be around 850f/900r with close to stock diameter anti-sway bars. Tires will be 315mm A7s initially, and I'm machining front and rear uprights to bring roll center and bump steer correction into spec for a 1.5-2.0" ride height drop.

What do the experts think?
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