[urq] tire/wheel size

[Brandon Rogers]

damn Ed! very scientific!

so you don't think 205 is too narrow for the 7.5's....

Brandon
----- Original Message ----- 
From: "Ed Kellock" <ekellock at gmail.com>
To: "Urq List" <urq at audifans.com>
Sent: Tuesday, April 26, 2005 3:06 PM
Subject: Re: [urq] tire/wheel size


Comparing 225-50's on 15x8 Ronals to the 205-55's on the 20v/V8 BBS wheels:

the tires are .02 inches taller
yielding .01 inch add'l ride height and essentially no speedometer error

each tire as mounted will be .79 inches narrow

the 11mm difference in offset coupled with the narrower tire will yield:
.183 inch increase in wheel inboard intrusion
.683 inch decrease in wheel outboard protusion
.211 inch decrease in tire inboard intrusion
1.078 inch decrease in tire outboard protrusion
1.66 inch decrease in track

This translates into:
- slightly better adhesion due to smaller contact patch
- no interference between wheel and suspension because wheel fitment
on this car is already proven
- less spray on the sides of the car due to tires being tucked further
into the wheel well.
- and whatever a narrower track will do to the handling of the car,
probably not much of concern since you may not track the snows.  ;-)

Ed

On 4/26/05, Brandon Rogers <brogers at terrix.com> wrote:
> Guys-
> looking for opinion on 205/55/15  - snows for the urq to be fitted on the 
> 200 20V BBS wheels sized 7.5 x 15
>
> I currently have these tires on my 7" Fuchs but I want the wider look, 
> even in winter, attained by the BBS....
>
> thoughts?
>
> TIA
>
> Brandon
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