Carb vacuum port ID
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====PCV vacuum ports==== | ====PCV vacuum ports==== | ||
| − | The PCV is often connected to the large front vacuum port in the carb throttle body. Its position there allows the crankcase vapors that are pulled from the engine by the PCV system to be shared equally between both primary throttle bores. The primary side is used instead off the secondary because the primary side is almost always flowing a good quantity of air so the vapors will be well mixed before entering the combustion chambers to be burned. | + | [[File:Egr vac qjet.jpg|thumb|400px|left|EGR port on Q-jet from a Pontiac]] |
| + | The PCV is often connected to the large front vacuum port in the carb throttle body. Its position there allows the crankcase vapors that are pulled from the engine by the PCV system to be shared equally between both primary throttle bores. The primary side is used instead off the secondary because the primary side is almost always flowing a good quantity of air so the vapors will be well mixed before entering the combustion chambers to be burned. | ||
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====Power brake booster vacuum port==== | ====Power brake booster vacuum port==== | ||
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