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Quote (luey02 @ Mar. 27 2002,11:11)</td></tr><tr><td id="QUOTE">damn hippo, you got to it before me. This Honda boy was telling me the same thing that smaller stock front wheel reduce rotational inertia on takeoff. But seriously, stock metal wheels wight as least twice as 17" alloy's!!! Only if I knew that back then... </td></tr></table><span id='postcolor'>
Actually, the factory Civic 14" steelies weigh in at 18 lbs <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt='
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http://www.miata.net/faq/wheel_weights.html
...while the material is heavier, they are much smaller than a set of dubz <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt='
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Besides that, it isn't so much that rotational inertia that matters for drag-racing as it is the gearing issues. A shorter wheel/tire combo will spin up to speed faster than a larger one.