I'm surprised that smaller wheel diameter is permitted in Stock classes. Along with a proper alignment and corner balance, don't forget to lower the car to at least European specs. In my experience (early 911) the biggest bang for the buck is experience, followed by tires (DOT aproved to remain Stock), and lowering/alignment. Then, sway bars. After those you are into significantly diminishing returns IMHO. See you at Hershey?
Howard
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Howard
'76 911S
'53 Nash (!)
'01 Audi TT
'82 GPZ-550
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