3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

gear ratios

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Old 08-13-2004, 05:01 PM
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gear ratios

Can't find a site that will help me caculate my gear ratio. I have 4.10 gears and stock tires are 265-70-17 . I want to know what my gears will be if i goto 315-70-17.
Old 08-13-2004, 07:07 PM
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3.77

Diam of 265/70-17 is 31.6
Diam of 315/70-17 is 34.4

4.10 * 31.6/34.4 = 3.77
Old 08-13-2004, 07:35 PM
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thanks mark thats what i came up with.
Old 08-13-2004, 09:15 PM
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Re: gear ratios

Originally posted by osci
Can't find a site that will help me caculate my gear ratio.
Bookmark this page:

http://www.dakota-truck.net/TIRECALC/tirecalc.html
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