Quote:
Originally Posted by CapriRacer
But there are a couple of extra variables that are clouding the picture
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Michelin 205/65R16 Energy Saver A/S are 8.6% taller for an increase in travel, but 5.12% wider for more rolling resistance than the Dunlop 195/55R16 SP Sport A/S.
combined, you should get 8.16% better mileage, but you are getting only 5.7% better mileage, so there is another factor fighting the increased mileage. It might be the 8.6%increase in air going under your car. Better results might be obtained if you could keep the ground clearance the same.