This is a site we use to compare tires. You just put in the sizes you
are looking at and you can see the differences.
www.miata.net/garage/tirecalc.html
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
.
.
On Jul 9, 2009, at 7:25 AM, Robert Blair wrote:
> Greg, Yes - the /70 is the cross section height/width ratio - ie
> slightly
> smaller diameter tire - ie lower rubber height, with a 'fatter'
> cross section
> on the rim. /lower number = more bloated look.
>
> Think about a modern 245/45/16 tire - it almost looks like a strip
> of rubber
> glued on the rim - the ratio of rubber hight to width is extreme -
> super
> ugly.
>
> In my book the best look for a big healey outside the original
> cross ply size
> is the '185x15' - no/xx. Fills the wheel well and appears to be
> designed for
> the radius of the fender. To my eye the 165x15 has the appearance
> of being
> too small, meaning the radius is less concentric with the fender
> and the gap
> between the tire tread and the fender line is too large. If you do
> the maths
> on the tire radius, you will find that the 185x15 is very close to the
> original cross ply specs - I believe it was 5.90x15??
>
> Universal is one option, Vredestein is another.
>
> Robert N. Blair Yellow 65BJ8 rnbmail@yahoo.com
>
>
>
>
> --- On Wed, 7/8/09, Greg Lemon <glemon@neb.rr.com> wrote:
>
>> From: Greg Lemon <glemon@neb.rr.com>
>> Subject: Re: [Healeys] 'New' 185R15 tire choice available...
>> To: "Eric (Rick) Wilkins" <e-wilkins@cox.net>, "Healey List"
> <healeys@autox.team.net>
>> Date: Wednesday, July 8, 2009, 5:25 PM
>> I stand corrected, from the handy
>> dandy Miata tire calculator page http://www.miata.net/garage/
>> tirecalc.html
>> I see a 185/70 specs out to about 25.2" only slightly
>> undersized, perhaps it is the wider lower profile look of
>> the 185/70 that makes it look too small in diameter (to my
>> eyes at least).
>>
>> Nice chart here as well,
> http://www.tirerack.com/tires/tiretech/45_conversionchart.html
>> the 100 had a 5.90 x 15" close to the
>> 6.00 x 15" listed on the chart, don't know about the later
>> cars.
>>
>> Happy Healeying
>>
>> Regards, Greg
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