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Old 06-06-2010, 06:19 PM
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DocDirk DocDirk is offline
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Join Date: Jun 2006
Location: Merced, Ca
Cobra Make, Engine: West Coast-Ford Performance Solutions 533 BB
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Question Tire sizes related to vehicle weight?

I've had my car aligned properly for the first time, and soon I'll have it corner weighted and put a sway bar on the front end. After that a change from the Cooper Cobra tires to something a lot stickier. I read that several folks prefer a smaller combination - Tom Kirkham if I recall recommended 245 fronts and 275 rears for optimal handling.

I have 265 fronts and 295 rears - switchback handling is more important to me than launch. My car is heavier than most as it's a WCC. Do the smaller tires actually usually lead to nimbler handling (I guess the rears would tend to push less), and if so is that a set of sizes that would only apply to the majority of cobras which are 300-400# lighter than mine?

Thanks!

Dirk
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