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Thread: School me on tire size differences please---
          
   
   

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  1. #4
    Stu Cool's Avatar
    Stu Cool is offline CHR Member Visit my Photo Gallery
    Join Date
    Oct 2003
    Location
    Olivehurst, CA
    Car Year, Make, Model: '53 Studebaker Custom w/LS1
    Posts
    1,900

    Nice Chart, But I think there is a transposed number in the 70 Series:

    205 70 15 26.30
    215 70 15 26.85
    225 70 15 24.70
    235 70 15 27.95
    255 70 15 29.06

    I think the 225 70 15 should be 27.40 tall instead of 24.70. So Brian, Changing those tires will put you just over an inch shorter, or .5 inches shorter in radius. That will impact your speedo accuracy, Car will be running slower at the indicated speed.

    Pat
    Last edited by Stu Cool; 07-01-2007 at 07:58 PM.
    Of course, that's just my opinion, I could be wrong!

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