Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Vacuum/boost gauge on roots
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Old 04-19-2013, 01:41 PM
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33Willys77 33Willys77 is offline
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Single vac/boost guage is tapped into the intake. There is vacuum until the engine is under load and then it creates boost. Good thing to have a vac guage above the blower too, just under the carbs for tuning.
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