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Old 03-01-2013, 06:38 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.
“The further a society drifts from the truth, the more it will hate those that speak it.” George Orwell

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