On Wed, Dec 05, 2001 at 09:21:11AM -0600, martens@auditor.sk.ca wrote:
> To use this, I need to know - what is the aspect ratio of an "SR" radial?
> My guess is it is likely 78 or 80. I don't recall there being a 75-series
> 20 years ago. The original tires (and current tires) on my 73B are 165SR14,
> and I need a new set in the spring.
I always thought that if it didn't say it was 80.
The other site we've found, has some information overload. It will
figure RPM from speed (and vise-versa) if you plug in the rear end
and gear ratios. Does anyone have a book (or off the top of their
head) the gear ratios? And wheel offset for the Rostyle? Panasports?
The other site is http://www.tolan-hoechst.com/cars/tirecalc.htm
>
> thanks
> andrew
> 1973 MGB
>
> Date: Tue, 4 Dec 2001 10:49:46 -0600
> From: "Paul T. Root" <proot@horton.iaces.com>
> Subject: Re: speedo advice
>
> I found it:
>
> http://www.miata.net/garage/tirecalc.html
>
> or go to www.miata.net, click on garage, click on
> Tire Size Calculator and CAmparator
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