Boost gauge not at "zero" when not connected
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Boost gauge not at "zero" when not connected
Just bought a Blitz boost gauge. Straight out of the box, the needle isn't at "0", its showing a vacuum of 10cm Hg. The supplier says that when connected up it will zero, but that doesn't make sense to me. Surely with no +ve or -ve pressure being applied it should be zero?
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