Carb vacuum port ID
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===Holley carbs=== | ===Holley carbs=== | ||
Many Holley 4150/4160 carbs will have a ported vacuum port on the side of the metering block. The other vacuum ports will usually be manifold vacuum. | Many Holley 4150/4160 carbs will have a ported vacuum port on the side of the metering block. The other vacuum ports will usually be manifold vacuum. | ||
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| + | ==Engine diagnosis using a vacuum gauge== | ||
| + | *[http://www.classictruckshop.com/clubs/earlyburbs/projects/vac/uum.htm Vacuum gauge chart] | ||
| + | *[http://www.secondchancegarage.com/public/186.cfm How to Use and Interpret a Vacuum Gauge] | ||
| + | *[http://www.gregsengine.com/using-a-vacuum-gauge.html Engine Testing with a Vacuum Gauge] | ||
==Chart of diagnostic vacuum readings== | ==Chart of diagnostic vacuum readings== | ||
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