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      12-13-2012, 02:06 AM   #1
SlamMan
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Drives: ED 5/19/2010, Interlagos E90
Join Date: Sep 2009
Location: Denver, 303

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Tire Width and Sidewall Height VS Performance?

How do different tire sizes typically affect performance? For instance, how will a 275/35/19 feel and perform compared to a 275/30/19?

On the surface I would assume the smaller tire will be lighter and will be able to apply slightly more force to the ground having a smaller diameter. What about turning and grip performance? Will the taller or shorter tire grip better in a turn?

Do you think the original 245/35 265/35 tires that come on the car were chosen for the best lap times, comfort or price as a priority?

In full disclosure I'm replacing a pair of 295/30/29 rear tires with a pair of 275/30/19 which seems to be somewhat rare size for rear tires. Figured I'd try something different. I've got 265/30s up front.
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