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Thread: speed-o help please
          
   
   

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  1. 07-29-2013 10:52 AM #6
    techinspector1's Avatar
    techinspector1
    techinspector1 is offline CHR Member
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    Car Year, Make, Model: '32 Henway
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    If you want the true diameter of a tire, use a cloth or fiberglass tape to find the circumference of the tire, then divide by 3.14159. The circumference is what the roadway sees, not the loaded diameter.

    Use a little math to find the proper speedo gears for your TH350.....
    http://www.tciauto.com/tc/speedomete...alculator/#350
    Last edited by techinspector1; 07-29-2013 at 10:56 AM.
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