Intake manifold
m (→Using early intake on later (non Vortec) heads) |
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===Single plane=== | ===Single plane=== | ||
| + | A single plane intake will give about 4 in/Hg less vacuum than a dual plane due to the design. Each preceding cylinder's exhaust valve being open is seen by the engine as a vacuum 'leak'. | ||
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|[[File:WEIAND 7546 001.jpg|thumb|450px|center|Weiand single plane p/n 7546.]] | |[[File:WEIAND 7546 001.jpg|thumb|450px|center|Weiand single plane p/n 7546.]] | ||
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