Quote:
Originally Posted by California98Civic
I do think you are correct that a steady speed would make differences more apparent. I just can't see the steady throttle making the numbers necessarily the same. If I set a steady fuel consumption rate (15.3 throttle) and achieve the same distance (18 miles) in less time, I should see higher MPG. But maybe the differences in fuel economy would not be as apparent with steady throttle as they would be if I held a steady speed. Does that make sense?
So a modification of my test method: on a shorter route (a 5.2 mile stretch of freeway I'll drive in each direction) the ground is flatter still and I'll be able to hold a steady speed. I'll do that. Thanks.
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Just FYI, steady throttle does not necessarily mean steady fuel consumption. There are many other variables in the fuel consumption equation.
BTW, did you monitor vehicle speed during the test? If the wheel skirts allowed a slightly higher speed at the same throttle position, then you have less aero drag.