Sure, but where will you find rolling diameters? Bruce On May 24, 2004, at 10:15 PM, airvair wrote: > If you calculate it right, the 825 RPM figures out to a rolling > diameter > of 24.44 inches. THAT is what you should be looking for. > > -Mark > Bruce W, Schug CORSA South Carolina Greenville, SC bwschug@charter.net CORSA member since 1981 '67 Monza. "67AC140"