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Date: Sat, 25 Oct 2003 15:14:21 +0100 From: Johannes H Andersen <johsnopsamfitter.com> Subject: Re: tire size
Grunff wrote: > > Gabe wrote: > > Anyone have opinions on changing tire size from recommended 205/50 16 > > to 205/55 16. I've been told that this is an improvement for my car - > > 1995 900SE Turbo. > > In addition to Johannes' comments, a larger overall diameter, > which is what you'll achieve, will equate to lower revs at a > given speed (which may make motorway cruising more pleasant), > and slightly lower 0-60 acceleration. > > -- > Grunff This calculator http://www.miata.net/garage/tirecalc.html gives the result: Specification Sidewall Radius Diameter Circumference Revs/Mile Difference 205/50-16 4.0in 12.0in 24.1in 75.6in 838 0.0% 205/55-16 4.4in 12.4in 24.9in 78.2in 811 3.4% Slightly larger difference than I would expect by guessing.
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