Quote:
Originally Posted by HotLavaMan
Well in theory you could on the MT get the same mileage as the AT which would move it from 30 to 34 or about 13% (EPA estimates of course). I don't think it's going to be that high as the total gear ratio will still be shorter than the AT even with the 3.727. But 10% might be within reach.
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Naw, 3.727 is 10% lower than 4.1, you won't see 10% fuel economy increase from that. The MT revving 30% higher than the AT in 6th is likely worth 10-15% fuel economy depending on speed. 5% would be pretty good already.