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Old 11-22-2014, 05:36 PM   #13 (permalink)
Tabour
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Join Date: Nov 2014
Location: Bury St. Edmunds, Suffolk
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Thumbs up Maths made Easy

Hi,
If you know the distance travelled, (you said you do this daily) and the amount of fuel used to travel that distance-it's simple division.
Or find the same size tyres as the factory used-they are available!
As the tyre revolutions per mile are less you WILL get better fuel economy, BUT you will loose take-off power (torque) due to the diameter of the tyres being larger! (In your case THIS IS NEGLIGIBLE if the engine is healthy)
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