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## Re: B tires & wheels

 To: MG List Re: B tires & wheels Shel Bercovich Wed, 20 Mar 1996 20:44:40 -0700 (MST)
 ```There are two neat Web sites for determining tire sizes. Use 'em and we'll never have this discussion again! :-) :-)
• Tire Size Calculator - 1
• Tire Size Calculator - 2 Copy them to your bookmarks or just use the text between the "..." marks. No end to the combinations you can come up with. -- \/ Shel Bercovich '74 B-GT sbercovich@cbe.ab.ca /\ Join the Trail Riders of the Canadian Rockies (Non-Profit) / \ "Come Ride with Us in Banff National Park" / /\ \ On Wed, 20 Mar 1996 RBigsby@aol.com wrote: > A tip for determining tire diameter and width: > > D = wheel dia + 2(width x ratio / 25.4) > W = width x 25.4 > > So, 165SR14 = 14 + 2(165 x .78 / 25.4) = 24.13" > > The .78 comes from the standard ratio of sidewall heighth to tire width of > 78%. This is how we get away with using a "larger" tire that may be 75, 70, > or lower ratio - the overall dia can remain the same. > > Related subject: does anyone have any experience converting MGB hubs to a 5 > bolt configuration? I am tired of searching for tires and paying riduculous > prices when I find them. My wife's Saturn rolls on 195/60-15's and the dia > is nearly identical - just the width to worry about. The Saturn bolt circle > is too small, though, at 100mm. The MG, I believe, is 120 mm. Any ideas? > > ```
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