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Old 07-12-2015, 04:37 PM   #11 (permalink)
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Cool. What about the rubber moldings? Waxed or not?

I should have waxed the chrome wheels when I got the car. Brake dust collects in the rim and they are starting to go.

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Old 07-12-2015, 06:39 PM   #12 (permalink)
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Hmmm. Can you play Gran Turismo to practice your hypermiling skills?
you can try. still trying to get the DLC honda insight too I have a prius
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Old 07-12-2015, 07:36 PM   #13 (permalink)
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Clean it.

I always keep my car clean, not for any MPG gain, but because I believe that all cars should be clean, even if its a beater, just a matter of pride i think.
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Old 07-12-2015, 08:37 PM   #14 (permalink)
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I recall one commercial claiming a Formula One team gains a tiny fraction of a second per lap from two to four hours of hand-polishing the surface finish.

Which, when you consider these cars have nearly a thousand horsepower and the aerodynamics of a brick, means that your typical hundred horsepower car with a 0.29 Cd isn't going to see squat at realistic speeds.

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(Uh, I used to obsessively polish my cars in Gran Turismo, too)
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Old 07-12-2015, 09:15 PM   #15 (permalink)
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A friend once told me that his airplane would cruise about 2 MPH faster when he washed the bug splats off. His normal cruise speed was over 200 MPH.

It makes a difference when the roughness extends past the boundary layer. Some airplanes will use flush head rivets where the boundary layer is thin, and round head rivets where the boundary layer is thicker.

I'd be very surprised if somebody was able to measure the MPG difference from removing bug splats from a car. Waxing, no way.
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Old 07-12-2015, 09:59 PM   #16 (permalink)
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'A clean car is a happy car.'
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Old 07-12-2015, 10:07 PM   #17 (permalink)
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'A clean car is a happy car.'
...but, an off-roader says, "...a clean car means driver either is afraid to drive or doesn't know how to drive..."
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Old 07-12-2015, 10:07 PM   #18 (permalink)
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'A clean car is a happy car.'
LOL, mine is giggling in the garage right now, must have been a little too much alcohol in that last fill.

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Old 07-12-2015, 11:24 PM   #19 (permalink)
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LOL, mine is giggling in the garage right now, must have been a little too much alcohol in that last fill.

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That car is too young for E85!
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Old 07-12-2015, 11:34 PM   #20 (permalink)
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I always keep my car clean, not for any MPG gain, but because I believe that all cars should be clean, even if its a beater, just a matter of pride i think.
You must live in a city or similar. I live a little more out in the sticks and I can detail my car and within one day it's filthy again. Dust, pollen, bugs, mud, everywhere. I've yet to find anything to keep my car(s) clean for longer than a few hours of driving here. Just pointing out a different view.

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