Quote:
Originally Posted by SuperTom
That plus you will throw off speedometer and slower acceleration with larger diameter tire.
Yep its all about the weight. Especially on the outside perimeter. On a 17 the weight of the barrel is pulled in closer.
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Isn't the OEM 17's heavier than the 18's?
Just remember this from C&D. It is the BRZ 18 vs the GR86 17, but I assume those weights are the same for each car.
I would of though compound and sidewall stiffness is that primary changes to the ride (all other things equal).