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Old 03-01-2013, 05:38 PM   #3 (permalink)
Do more with less
Join Date: Jul 2010
Location: North Eastern Missouri
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OD - '05 Ford Econoline
90 day: 18.64 mpg (US)

Joetta - '86 Volkswagen Jetta Turbo Oil Burner
90 day: 49.71 mpg (US)

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Usually any line that has a high vacuum at idle is good. As long as your show a vacuum at cruise that goes to zero at full throttle you probably can use the gauge as it is just a relative indicator of engine load.

The power brake line is a good source but I usually refrain from cutting into that line in the interest of brake reliability.

Look for a line that goes into the intake manifold some place rather than into the air body.
"A man is not finished when he is defeated. He is finished when he quits."
Richard M. Nixon

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