View Full Version : 265 to 315 tire calculation needed
10-03-2007, 12:56 PM
My truck came with 265's. I am running 315's now. I am getting 500 miles per tank on the OD. What do I multiply my miliage by?
10-03-2007, 01:36 PM
The 315's are roughly 10% bigger than the 265's so what ever your trip reads add 10% to that and divide by gallons of fuel.
10-03-2007, 02:21 PM
need 2nd #
265x75x16....to....315x75x16 would be 9.3%
10-03-2007, 02:30 PM
Why not just get your CPU reflashed at the dealer? Then you would have the correct Odometer and Speedometer readings.
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