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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Exterior Forum [GEN 2]
Actual mpg change: 37 bfg
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<blockquote data-quote="ChevyChad" data-source="post: 1279442" data-attributes="member: 21966"><p>I calculated mine correctly. Here are my results for 87 octane for both:</p><p></p><p>Stock: 34.4" tire height, 95.2 lbs wheel and tire (measured on a scale)</p><p>sample A MPG readout on dash: 16.5mpg</p><p>sample A actual miles traveled: 372.0 miles</p><p>sample A actual gallons at fill up: 24.393 gallons</p><p>sample A actual MPG: 15.25mpg</p><p></p><p>Aftermarket Nitto Ridge Grappler 37"x12.5" on 20"x9" fuel vapor wheels: 127.2 lbs wheel and tire (measured on same scale as stock on the same day)</p><p>Sample B MPG readout on dash: 13.2mpg (this would probably have been 14.2 had I changed my speedo)</p><p>sample B miles traveled per uncorrected speedo: 396.4 miles (actual miles traveled was 426.36)</p><p>sample B actual gallons at fill up: 31.235 gallons</p><p>sample B actual MPG: 13.65mpg</p><p></p><p>Actual difference of 1.6 mpg on that particular comparison which was as close as I could find in the samples I took for my own comparison.</p><p></p><p>And as you can see, the mpg reported on the dash is a ballpark estimate at best. To get a true MPG you need to calculate yourself.</p><p></p><p>Go ahead, poke a hole in my "analysis". I'll wait.</p></blockquote><p></p>
[QUOTE="ChevyChad, post: 1279442, member: 21966"] I calculated mine correctly. Here are my results for 87 octane for both: Stock: 34.4" tire height, 95.2 lbs wheel and tire (measured on a scale) sample A MPG readout on dash: 16.5mpg sample A actual miles traveled: 372.0 miles sample A actual gallons at fill up: 24.393 gallons sample A actual MPG: 15.25mpg Aftermarket Nitto Ridge Grappler 37"x12.5" on 20"x9" fuel vapor wheels: 127.2 lbs wheel and tire (measured on same scale as stock on the same day) Sample B MPG readout on dash: 13.2mpg (this would probably have been 14.2 had I changed my speedo) sample B miles traveled per uncorrected speedo: 396.4 miles (actual miles traveled was 426.36) sample B actual gallons at fill up: 31.235 gallons sample B actual MPG: 13.65mpg Actual difference of 1.6 mpg on that particular comparison which was as close as I could find in the samples I took for my own comparison. And as you can see, the mpg reported on the dash is a ballpark estimate at best. To get a true MPG you need to calculate yourself. Go ahead, poke a hole in my "analysis". I'll wait. [/QUOTE]
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Actual mpg change: 37 bfg
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