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-   -   How many GPM is a Gen 7 sea pump? (https://www.offshoreonly.com/forums/general-q/356284-how-many-gpm-gen-7-sea-pump.html)

axm0z5h 08-27-2018 06:55 AM

How many GPM is a Gen 7 sea pump?
 
Im looking to see how many gallons per minute a gen 7 sea pump is to make sure its sufficient for the closed cooling system i installed this week.

underpsi68 08-27-2018 07:44 AM

Almost a gallon a second at speed.

axm0z5h 08-27-2018 07:56 AM


Originally Posted by underpsi68 (Post 4645845)
Almost a gallon a second at speed.

That should work for my application then. The heat exchanger said it needs 35gpm. for some reason the engine is overheating. I rebuilt the sea pump, put in the ss wear plates and new impeller. Im just trying to narrow down what could be causing this

Keith Atlanta 08-27-2018 08:57 AM

Try the power steering cooler. Pull and clean it out.

underpsi68 08-27-2018 12:36 PM

The p/s cooler on my 496 was a straight through design. The oil cooler would collect all the debris.

axm0z5h 08-27-2018 12:44 PM

i put the hose directly into the sea strainer and my issue went away. Looks like the issue is the hose in the transom assembly. im going to install a thru transom water pickup tonight.


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