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bigger tyre/speedo correction equation ?
https://www.auszookers.com/forum/viewtopic.php?f=37&t=33839		 Page 1 of 1
Author:  murph51 [ Tue Jul 03, 2012 12:16 am ]
Post subject:  bigger tyre/speedo correction equation ?
just looking for some quick maths..

running 30' on a 97 seirra..

if i drove 1km on the dash, how far have i actually driven, taking into account the larger tyres.. does anyone know exactly how far out it is?


cheers guys
Author:  JrZook [ Tue Jul 03, 2012 10:22 am ]
Post subject:  Re: bigger tyre/speedo correction equation ?
Assuming the dash is 100% correct for stock 26" tires and your tires actually measure 30" then;

30/26 = 1.15 thus 15% oversized. Therefore 1km on the dash = 1.15 actual km
Author:  murph51 [ Tue Jul 03, 2012 1:42 pm ]
Post subject:  Re: bigger tyre/speedo correction equation ?
thanks mate :D
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