Jeffrey Misner wrote:
>
> Rob, P235 70R15's work out to 27.9527559055 inches diameter.
> after a little recalculating, these seem to be the closest...
> P255 60R16's work out to be 28.0472440945 inches
> P245 60R16's = 27.5748031496
> P275 55R16's = 27.9094488189
>
> I'd stick with either the P255 60R16's or the P275 55R16's. They are
> extremely close to the original diameter of the tire. The P255's will
> say you're going a little faster than you actually are; and they will
> increase the height of your truck by about 0.05". The P275's will say
Huh? If they indicate a higher mph than actual, they are smaller
than stock, so the overall height is smaller..They will LOWER the height
of your truck..
> you're going slower than you actually are; and they will lower your truck
> by about 0.02". Either way would look the same (in terms of height), that
> is, unless you've got real good eyes!
If the indicated speed is lower than actual, they are larger than
stock, so the overall height is larger... They will RAISE the height
of your truck..
>
> BTW, in case you are wondering how I figure out these sizes, I use the
> formula:
>
> ((Width of tire)*(Aspect ratio)*2*0.03937007874)+Wheel Diameter
> ^^^^ converts mm to inches
>
> Anyway, Hope this helps..
> Jeff
...Sam '95 SLT
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:07:37 EDT