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Old 08-10-2010, 04:10 PM   #142 (permalink)
dmac257
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Join Date: Jul 2010
Location: Connecticut
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aerobrick - '04 Dodge Dakota Quad Cab SXT
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Quote:
Originally Posted by Olympiadis View Post
The optimum speed for best MPG is a balance of a great many factors, and many are not constant. For this reason it is always changing with conditions, for example the changing inclination of the road.
You need a real-time feedback to fully utilize this information.
In a pinch a vacuum gauge can get you pretty close.
And how does vacuum gauge tell me mpg? I don't know enough about ICE to interpret vacuum into mpg or effiency or whatever. I just looked at a ScanGuage add from a little ad icon here. Might get one but don't see how it is installed. Need to look farther into it before I spend $200 just to find out my quad-cab gets horrible gas mileage

Don