how do i calculate effective gear ratio with shorter tires?

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05-10-2002, 07:14 PM

parish8

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how do i calculate effective gear ratio with shorter tires?

i need a math wiz, my truck has 373 gears and the stock tires are 31.7"tall. how do i calculate the effective rear ratio with 29.3"tall tires?

i want to know if it will feel like 390's or 410's or what?

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05-10-2002, 07:59 PM

Reckless

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Re: how do i calculate effective gear ratio with shorter tires?

Try here: http://www.prestage.com/carmath/

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05-10-2002, 08:32 PM

parish8

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Re: how do i calculate effective gear ratio with shorter tires?

that is a sweet site, have to book mark that one.

3.73 will feel like 4.04 with the shorter tires, the tires will weigh a little less also. hang on!!

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