Calculating mileage with big tires
09-16-2008, 06:32 PM
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Calculating mileage with big tires
I have a set of 35/12.50's on and I was wondering how to get the correct mileage numbers. 26 gallons has been getting me 250-270 miles. There has been no speedo recalibration. Thanks for the help
09-16-2008, 06:51 PM
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Your old tires are roughly 31" tall (265/75/16 stock). (new tire size/old tire size)x indicated distance = real distance.
(35/31)x270 = 305 miles.
305 miles/26 gallons = 11.7 MPG
(35/31)x270 = 305 miles.
305 miles/26 gallons = 11.7 MPG
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