GMC Tires What Size G159 w/ alcoa wheels

ralph blackwelder

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Jul 23, 1999
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>
> If you read and believe the infor re: final drive ratios ... that the higher
> the number/the lower the ratio, you will seriously consider 225/75s They
> are the closest to original equipment size. Any greater rolling diamater
> revolutions per mile) is just like changing your final drive to a lower
> number. I took a set of 215/85s off and replaced them with 225/75s when I
> finially became aware of this.
>
> byron maxwell