Thread: Low MPH/RPM - '89 ProStar 190
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Old 08-12-2010, 10:51 PM
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oldairboater oldairboater is offline
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Join Date: Feb 2010
Boat: Mastercraft, Prostar, 1992, 351 Ford
Location: South
Posts: 574
Like everyone else secondaries are not opening. Mine open up between 3000 to 3200 rpm at approximately 30 mph. If the secondaries open and the fuel isn't there boat falls off quick.
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