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Old 04-26-2009, 10:09 AM   #13
bxr140
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Quote:
Originally Posted by MCMXCIVRS
Thus the change in fuel economy would have to be due to the engine load changing.
But there's really no load change.

It takes the same amount of poop from the engine to go a steady wheel speed, regardless of what gear you're in. So it really boils down to the efficiency of the engine at those different engine speeds.
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