will 285/70/17 tires change MPG alot??
#1
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will 285/70/17 tires change MPG alot??
iam thinkin of gettin some BFG AT 285/70/17 if it wont change my MPG alot, if it does, i'll just settle for the 265's....
#4
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The LT285/70R17's are probably the more popular choice for replacement tires......a tad taller than stock without alot of power / mpg robbing properties. I run them on my '03 and have been pleased with the upgrade. The A/T style tread designs should also be more fuel efficient than the M/T style I run in the Cooper Discoverer STT's.
Greg
Greg
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Dont forget to adjust mileage from odometer reading because of taller tire before figuring mileage. Easiest way is to use a gps or compare mile markers on interstate to odometer.
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#8
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After having the pinion factor reset to 634 for the 285s, I lost maybe .5-1mpg. I averaged 20.2 per the overhead on a 340 mile trip last weekend. My truck is stock.
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I did a tire calc seach. What is the other numbers for your stock tire? If you are going from 265 70 17 to 285 70 17, it is going from a 32x10.4 to a 33x11.2 and you lose a little over 3%. If you usually get 20mpg you would lose .6 mpg.
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