02-10-2010, 05:08 AM
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#9
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Registered Member
Join Date: Apr 2008
Posts: 6,624
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It's impossible to eliminate all variables in grassroots testing; there will always be plenty that can't be accounted for. You'll do the best you can.
It's nearly impossible to measure fuel usage perfectly for this. Again, you'll do the best you can.
 
Quote:
Originally Posted by Project84
I realize you're using cruise control to keep a steady speed but in real life, I've seen mpg drop using cruise control.
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As long as the drop isn't different for WAI than it is for CAI, that shouldn't be an issue. He's using the same cruise control for A and B.
Quote:
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It would be nice if you could completely top off the gas tank w/ a funnel and a gas can and measure each time how much fuel (by weight or by ml or ounces) it took until it was visible in the fill neck.
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That does not sound practical, but something like that could be more accurate.
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