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post #1 of 4 (permalink) Old 12-29-10, 02:38 PM Thread Starter
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Bug Deflector Gas Mileage

Have a 2009 and I put a bug deflector on it. It cost me six percent on my gas mileage. I did this survey over six months (same time of year [09-10]) and twenty tanks of gas. Needless to say, the deflector is in a land fill somewhere. The mileage is back up to where it was when I bought the car around 31 MPG.

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post #2 of 4 (permalink) Old 12-29-10, 03:31 PM
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Re: Bug Deflector Gas Mileage

That's the same thing that happens with the windows open and the A/C off. The open windows cause a drag and the mileage drops more that way. Of course, in town it's the other way around.

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post #3 of 4 (permalink) Old 01-02-11, 09:30 PM
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Re: Bug Deflector Gas Mileage

If you'd slow down from 80mph you'd only lose 3% mileage with the deflector on!!!

I have covers on my Durango, fronta nd over the windows, but as it gets 12mpg on a god day in winter I don't notice a 0.1 or 0.2mpg difference in mileage.

A friend of mine freely admits that he saw a mileage increase in his Corolla after he lost 75lbs. A lot of folks don't realize what weight can do to mileage, especially economy vehicles.

'11 Ram Quad Cab 4x4 SXT 5.7L HEMI (stock); 48,500m
'06 Pontiac G6 GT 3.5L 220hp; 64,000m
'12 Chrysler 200 Limited 3.6L 283hp; 28,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!
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post #4 of 4 (permalink) Old 01-06-11, 11:49 AM Thread Starter
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cool Re: Bug Deflector Gas Mileage

The speed limit is for me-I got tired of paying tickets. I drive for the best gas mileage. For the short haul speeding will not buy you much. Now 5 MPH over for ten hours that's something.
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