The answer is number 1, but usually with a stiffer rear sway bar and camber plates. My spring rates are 400 on all corners (or will be I should say); but most are running 400 up front 450 rear to get to a slight oversteer for the track. I'd rather be closer to neutral, but it's really a personal preference thing, if you like sliding the rear out, then go with the higher spring rates on the back. If you're more point and shoot, go a little lower on the rear.
Thing is, the rear end is very easy to catch on a MINI, so you can get away with a little oversteer.
It all works together though--front and rear camber and toe, sway bar, tires, coilovers and springs, it all depends on your setup.
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Thanks for the input. That makes sense.
My car is a daily driver that I Auto-X but I want to lean to the softer side for street driving and compromise the Auto-X handling. I plan large bar and camber plates. Sounds like the 400#/400# range or even 350#/350# would make sense for me depending on coilovers. -
I agree the MR is different front to rear. I believe the MR is about 0.99 (1) for the front and about 0.875 in the rear. I used those numbers in the spring rate calculators.
I do not think I would go below 350 in the front, and I will only be dropping about 5/8-3/4". Do you think 350# is too soft?