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Old 08-06-2021, 05:08 PM   #6 (permalink)
SonicVQ
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Join Date: Jan 2016
Location: Ontario
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Drives: G37 Sport
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Quote:
Originally Posted by Evildky View Post
I used an off the shelf vac canister, I plumbed it inline with the brake booster line from the manifold as one typically does for cammed cars that don't generate enough static vacuum. Verified everything was working property and that it was holding vacuum. Drove the car for a bit so it would have a chance to build vacuum. Got the same result.
Thanks for your quick reply.

If you connected the can on the manifold side of the one way check valve, the can would be vented to the atmosphere as soon as the throttle opened.

If you connected the can to the booster side of the check valve, then that would provide a little extra vacuum.

The one way check valve is built into the hose that connects to booster to the intake manifold. It isn't like other designs where it is part of the brake booster elbow/connector.

Do you left foot brake?
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