i thought that would have been self explanatory, but this formula works if
yer toying around with what gears to run with various tire heights.
new mexico jim
51 two ton dump
J Forbes wrote:
> Hey, don't make it complicated! If your tires are 30" tall, and you add
> an inch, it's about 3% difference...so your speed (at same rpm) will go
> up 3%, or about 2 mph at highway speed (65 mph).
>
> If you want the drop in rpm for increasing your tire by 1" (assuming the
> same mph), it's 3% again, or about 100 rpm if you were turning about
> 3000 to 3500 rpm before the change.
>
> Easy math :)
>
> Jim
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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