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Old 05-22-2013, 08:48 PM   #3 (permalink)
gone-ot
...beats walking...
 
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Uh, 29.92-inches Hg is associated with BAROMETRIC pressure, not MANIFOLD pressure. Typically, MANIFOLD vacuum (normal aspiration)/pressure (turbo or supercharge) are measured in XX-0-14.7 PSI or ±0-30 "Hg...without decimal places.
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