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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
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The brake booster line is the thick hose going into the side of the 930 intake manifold up above the #2 cylinder.
A reading from it anywhere up to the brake booster checkvalve is exactly the same as intake manifold vacuum.
Do it's relatively large inside diameter compared to the average vacuum line it reacts to manifold vacuum changes instantly.
Old 06-17-2013, 06:26 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #26 (permalink)