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Old 05-19-2013, 09:08 PM   #16
Evaded
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Join Date: Apr 2013
Location: San Antonio TX
Posts: 424
Re: Need new tires and help with size???

Quote:
Originally Posted by CC69Rat View Post
Example:

255/70/15

255 divided by 25.4 = 10.03 in. this is the width of the tire.

10.03 * .70 = the aspect ratio of the tire. (the sidewall height) =7.02 in this is the height of the tire from the ground to the bottom edge of the wheel. Then the same for the top edge to the top of the tread.

So .. 7.02 x2 = 14.04 + 15 (the wheel) = 29.04" tall.

Make sense?


255/60/15

255/25.4*.60*2+15 = 27.04 " tall.


Maybe that will help with your decision

Wow that was amazing!! Thanks.. pretty sure ive decided.
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