or a low rider. those tires must have low load ratings! :)
james
----- Original Message -----
From: "Dennis & Sherry Armstrong" <miata@pacbell.net>
>
> > For some time, I've been thinking about using a smaller diameter tire
size
> > for autox, in order to a) lower the car a tad and b) increase the
> effective
> > gear ratio.
> >
> > However, 3 days ago I received the latest edition of Grassroots
> Motorsports
> > Magazine, and there is a letter answered by TireRack pointing out that
> this
> > is not a good idea due to load ratings.
> >
> > In my case, the car weighs 2900 lbs., with me in it. Load rating for
stock
> > tire size is 1370 lbs. Load rating for the tire I'm thinking of is 1200
> lbs.
> > Is this going to be a problem?
> >
> > Here's another angle -- a Ford Contour SVT uses the same tire size I'm
> > thinking as stock. That car weighs around 3100 lbs, without driver,
IIRC.
> >
> > Any advice?
> >
> > Thanks,
> >
> > Rob
> >
> >
> >
> >
> > _________________________________________________________________
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