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Water intake bypass kits


Old 03-24-2014, 08:25 PM
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Join Date: Mar 2014
Location: Harrison Twp., MI
My Boat: 1990 31 Scarab Excell
Posts: 1
Default Water intake bypass kits

First time poster here may not be the right place to post if not I'm sorry. I was told by a guy to remove the water pumps off my motors and install the water intake bypass kits. Also recommend kits would be great info as well. Can anyone give me the pros an cons of this option. I have a 1990 31 Scarab Excell with built 454. Thanks in advance
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Old 03-24-2014, 08:45 PM
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Join Date: Dec 2006
Location: Chesapeake Bay
My Boat: formula 1996 382 sr-1
Posts: 2,486

They call it a crossover, Some people like Em some don't.
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Old 03-25-2014, 09:24 PM
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Join Date: Oct 2012
Location: Grosse Pointe Woods, Mi
My Boat: Fountain 29 Fever,1962 Chris Craft Holiday
Posts: 435

The benefit is gained in horsepower by not having to spin the pump. You most likely wont be able to notice the difference. Some complain of hotspots in the engine with them installed. Merc spends alot of mony on their r&d and they still insist on using them. Save the money and put it in the gas tank in case lake St. Clair decides to thaw this year.
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