Merle Coggins Posted April 23, 2013 Report Share Posted April 23, 2013 Here's the official announcement for everyone. Merle Link to comment Share on other sites More sharing options...
Ram Man 02 Posted May 12, 2013 Report Share Posted May 12, 2013 I wrote this down, hopefully i can make the drive Link to comment Share on other sites More sharing options...
Merle Coggins Posted May 12, 2013 Author Report Share Posted May 12, 2013 Cool... The more the merrier. Link to comment Share on other sites More sharing options...
Young Ed Posted May 12, 2013 Report Share Posted May 12, 2013 I wrote this down, hopefully i can make the drive I am considering it as well. Perhaps you Mark and I can caravan. 1 Link to comment Share on other sites More sharing options...
ggdad1951 Posted May 13, 2013 Report Share Posted May 13, 2013 I doubt FEF will drive all the way across Wisconsin....that 50MPH top speed would kill you guys, but I PLAN on being there with via the GMC (with box on) Ed we sill have to tach him this spring! Link to comment Share on other sites More sharing options...
Merle Coggins Posted May 13, 2013 Author Report Share Posted May 13, 2013 (edited) I've said it several times Mark... According to the math your truck should run with mine easy. If my truck can make it to the Twin Cities this summer I'm sure yours can make it to my house. According to Goodyear, your Wrangler DuraTrac 235/85R16's have a diameter of 31.7" or 659 revolutions per mile. Using a typical calculation forumula of mph X gear ratio X 336 / tire diameter = RPM, your truck will be within 145 RPM of mine at 65 MPH. 65 MPH X 4.3:1 gear ratio X 336 / 31.7" diameter = 2962.5 RPM (70 MPH = 3190.4 RPM and 75 MPH = 3418.3 RPM) I have Yokohama Geolander H/T-S 265/75R15's on my truck with 3.73 gears. Yokohama specs my tires at 28.9" diameter or 719 revs/mile. 65 MPH X 3.73 gear ratio X 366 / 28.9" = 2818.8 RPM (70 MPH = 3035.6 RPM and 75 MPH = 3252.5 RPM) Of course actual numbers may vary slightly. In reality you need to use the loaded diameter by measuring the loaded radius (from the ground to the center of the axle) and multiply by 2 for diameter. Edited May 13, 2013 by Merle Coggins Link to comment Share on other sites More sharing options...
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