In message <419E5D46960FD211A2D5006008CAC799014849CC@pcmailsrv1.sac.unify.com>,
Kevin McCormick writes:
> It's worse than that - you really only have 15x6 wheels, unless the 10AE
> came with different wheels than the Leather/Sport model (except for being
> polished/chrome).
Whoops! You're right. They're only 15x6. Brain fade.
That makes the decision easier, since Kumho says you need a 7" rim for
the 225s. :)
Thanks! And thanks to Kit for also pointing this out.
Keith
> Gary Thomason, BS champion, ran 205's on his Sport. On Katie Elder's '99
> Sport model we ran both - the 225's gave good grip for sweepers, but were
> more sloppy in transitions. As far as gearing, with the 10AE having the six
> speed (but a taller final drive) the 225's would help on some courses by not
> running out of second.
>
> I'd vote for the 205's - light car, better acceleration, easier to
> transport, and the tire mounters won't curse at you quite so much :-)
>
> Kevin McCormick
> Former Miata driver, now vtech junkie (with 225/50/15 Kumho's on the front
> of the Type-R and 15x6 wheels but 300 pounds heavier than a Miata, and all
> of it over the front.)
>
>
> > -----Original Message-----
> > From: Keith Hearn [mailto:khearn@legato.com]
> > Sent: Tuesday, February 08, 2000 4:14 PM
> > To: ba-autox@autox.team.net
> > Subject: Kumho size for Miata?
> >
> >
> >
> > I've got a '99 Miata with the factory 15x7" alloy wheels. I'm going to
> > get some Kumho Victoracer V700's for autocrossing.
> >
> > The V700 is available in 205/50-15 or 225/50-15.
> >
> > The car came from the factory with 195/50-15 Michelin Pilots. I'm
> > curently running Toyo T1-S's in 205/50-15, which is the largest
> > Toyo recommends for a 7 inch rim width. Kumho says you can run
> > the either the 205's or the 225's on a 7 inch rim.
> >
> > I guess my question really is, is the 225 "too much tire" for a stock
> > Miata? The wider tire will be taller, thus raising my effective
> > gear ratio, plus it will be heavier. Is this going to hurt my
> > acceleration too much?
> >
> > I'm also concerned about whether a 225 width (9.17 inch section
> > width according to their web page) is really going to work on a 7
> > inch rim.
> >
> > What size race tires are other Miata drivers using for
> > autocrossing, and
> > what do you think is best?
> >
> > Thanks,
> >
> > Keith Hearn
> > '99 Miata 10AE "Sexy Sadie" the Sapphire Shark
> > Milpitas, CA
> >
> >
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