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Lift kit ? Oversize tires ? Just like you, I know that my fuel mileage is all over the place too. That's why I average it out over a 12 month period and I'm averaging 16.5 MPG.
If you have oversize tires like I do, 315's as opposed to the 265's that came with the truck you have a 10% difference in actual mileage right there that has to be accounted for. For example, when I pull up to the pump and I have 200 miles on the trip gauge I've actually driven 220 miles.
I have a ScanGauge2 that I calibrated my actual speed with a GPS. So if I'm cruising at 70 on the ODO my SG2 is showing me the real MPH at 77. Good to know if Johnny Law is lurking somewhere on the side lines. :thup:
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If you have oversize tires like I do, 315's as opposed to the 265's that came with the truck you have a 10% difference in actual mileage right there that has to be accounted for. For example, when I pull up to the pump and I have 200 miles on the trip gauge I've actually driven 220 miles.
I have a ScanGauge2 that I calibrated my actual speed with a GPS. So if I'm cruising at 70 on the ODO my SG2 is showing me the real MPH at 77. Good to know if Johnny Law is lurking somewhere on the side lines. :thup:
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