A really good question to pose...REAd UP!!
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Joined: Nov 2002
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From: Oceanside Ca
Originally posted by azrael
one HUGE fact you guys are forgetting.. i mentioned this in my post above...
It doesn't matter if you have a 15, 16, 17, 18, 19, or 20 inch wheel. The overall diameter of a proper wheel and tire combination is THE SAME. ALWAYS.
When you buy a larger wheel, you choose a tire with a smaller sidewall to compensate.
Bottom's calculations above assume that there is a different rolling diameter, which isn't the case. The difference in acceleration comes from the rotational inertia component of the unsprung wheel/tire mass, which increases with a larger wheel due to weight distribution closer to the edge of the wheel and tire.
one HUGE fact you guys are forgetting.. i mentioned this in my post above...
It doesn't matter if you have a 15, 16, 17, 18, 19, or 20 inch wheel. The overall diameter of a proper wheel and tire combination is THE SAME. ALWAYS.
When you buy a larger wheel, you choose a tire with a smaller sidewall to compensate.
Bottom's calculations above assume that there is a different rolling diameter, which isn't the case. The difference in acceleration comes from the rotational inertia component of the unsprung wheel/tire mass, which increases with a larger wheel due to weight distribution closer to the edge of the wheel and tire.
Jeff - zland
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