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post #1 of 3 (permalink) Old 02-24-2016, 11:58 PM Thread Starter
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Location: Alberta
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Gas mileage

Hey there guys wondering what people are doing with bigger tires to help with fuel economy. I recently put 315/70/17 on my truck with level and highway is at 14.7 l/100 which isn't too bad but in town is more around 17-18 l/100
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post #2 of 3 (permalink) Old 02-25-2016, 07:28 AM
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There's not much you can do.

Any money spent on things like intakes, programmers, exhaust have little to no effect on fuel economy or if they even do help a bit you'll never recover the costs.

2016 F150 XLT XTR 4x4 2.7 Ecoboost
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post #3 of 3 (permalink) Old 02-25-2016, 08:00 AM
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Bigger tires on the highway will get you better mileage providing your speed is reasonably good. ie..80km/h and up. In the city, you have to constantly get that larger, heavier rubber mass rolling which will, of course, use more fuel. Mods of other sorts have to be coordinated otherwise they are never fully realized. Most performance improvements will give you better mileage which is negated by "The Lead/Stomp Foot Factor."

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