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05-09-2012, 07:20 AM
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using pcv as a vacuum testing source
Might be a dumb question but since neither my Carb nor intake manifold have a test vacuum port, can I just unplug my pcv and test there? Or will that change vacuum readings?
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05-09-2012, 09:13 AM
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The PCV is a slight vacuum leak to the intake manifold.
So ya it will effect the vac reading a bit. You could add a T to the PCV hose to allow both the PCV and a vac gauge. Where are the power brakes getting vacuum from?
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05-09-2012, 11:57 AM
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No power brakes, manual discs/drums. No power steering and no radio either
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