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Old 05-07-2019, 09:32 PM
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ndutton ndutton is offline
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The critical dynamic is you want the vent to allow air into the water hose without any encumbrance when the hose has a vacuum. Everything else is managing water. For the sake of the engine's performance, no good can come from adding exhaust flow restriction.
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1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others

Last edited by ndutton; 05-07-2019 at 09:34 PM.
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