At 05:32 5/2/98 EDT, you wrote:
> I need to put a matching diameter tire on my spare rim to match the diameter
>tires on my 16" wheels ( 215-65-16) . I have a 14" and a 15" vanagon rim to
>use as a spare. Any sugestions. Michael.

Sort of a simple formula to figure out tire sizes:

215/65R16 =

Width multiply by aspect ratio X2 (two side walls) plus rim height.

215*.65*2+406 = 685.5mm/25.4 = 26.9" diameter.

So the equivalent size can be figured out using the above formula.

** NOTE:  I asked a simular question about tire sizes and everyone stressed
that all 5 wheels MUST be the same size right down to the manfacturer of
the tire!

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