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Originally Posted by Astroman
The most unusual thing I saw, and what I have a question about was a line going from the ALDA to the main vacuum supply. I'm talking about a barb fitting on top of the banjo bolt for the line that runs from the intake manifold to the ALDA.
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I believe that there is some confusion on the terms. The banjo bolt takes manifold
pressure and sends it to the overboost protection valve. From there it goes to the ALDA. There is no connection to the main vacuum supply
AFAIK. The manifold pressure serves to signal the ALDA to provide additional fuel.