Posted by Will (in IL) [98.215.27.52] on Wednesday, November 28, 2012 at 15:52:13 :
In Reply to: Re: where did you come up with this formula? posted by M Fanoni [65.98.184.194] on Wednesday, November 28, 2012 at 15:15:51 :
Yep, a common rule of thumb I hear often around the off-road crowds.
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