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Old 04-28-2019, 08:42 AM   #4
Ski in NC
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City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
Under hull exhaust can do strange things. Is there a smaller diameter relief tube? The McKinna's I have been on had the relief tubes going to the transom to vent exhaust at lower power settings and that feature worked.
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