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Cooling - Hull water pickup

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Old 11-25-2018, 06:06 PM
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ya, most are transom mount and get force fed @ speed
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Old 11-25-2018, 06:37 PM
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I have been running that type of pick up on a standard 496 with no problems.
I dont have a sea strainer ,so inlet goes through a ball valve to the r/w pump
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Old 11-25-2018, 06:49 PM
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ALL wakeboats use this exact water intake grate. The have alot less water aeration than transom installed water pick ups -- especially in step hull apps for whomever has installed this grate. -- bottom of the hull.

I understand that many sportboats use transom water pick ups.

The thing you have to watch out for -- the grate is NOT installed too far forward in the bottom that has alot of hull / bow lift. Wakeboats do not have to worry about any of that. Nor installed to far outside as the faster the boat goes -- the more, the hull comes out of the water.

I would use the grate that has a 1.25 ID fitting and hose connections. There is other styles available to offer more volume water as well. Some are called persay performance grates as well.
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Old 11-25-2018, 07:33 PM
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BUP / AusScarab29
Thanks for your comments
Perhaps I'm being a little paranoid and over thinking the issue
Maybe I just will open up 2 of the slots and then judge water happens after that
I assume if I start losing sea water pump impellers we know its not getting sufficient water
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Old 11-25-2018, 09:40 PM
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I get a couple per year with the same water grate set up for V hull sportboats I/O s. Past week had a 25 ft Checkmate come in with a big block, the same set up for winterization. Good thing smart enough to look how the set up is before I hook up the water hose and muffs to the outdrive. Use the same water flush / water hose as the wakeboats to run the engine(s). No difference for running on the hose vs wakeboats. .
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Old 11-25-2018, 09:54 PM
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the plunger aka water flusher and its adjustable in length

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Old 11-25-2018, 10:04 PM
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BUP
The mother of all plungers
Did you glue the fitting on side for hose connection or you buy it ready to go?
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Old 11-25-2018, 10:11 PM
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they ALL come that way. I have 5 of the exact same ones. Buy a quality one because it makes all the difference in the world.

screw water hose on FIRST -- then creeper under the boat trailer and then set it up tightly fit around the grate to the ground --

Last edited by BUP; 11-25-2018 at 10:15 PM.
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Old 11-25-2018, 10:32 PM
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BUP
okay found it
cheers
Brett
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Old 11-26-2018, 05:47 PM
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I thought only slow boats used those pick ups , never seen one on a powerboat.
I would think that thing is going to cost you some speed.
Why not a standard pickup like everyone else uses?
I like Imcos adjustable pickups, at the transom there`s only about 1/4" sticking past the hull and I can dial in my pressure.

Last edited by ICDEDPPL; 11-26-2018 at 05:57 PM.
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