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Swapping to a sea pump on sbc...

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Old 06-04-2014 | 02:34 PM
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Default Swapping to a sea pump on sbc...

Just looking for a little direction on what I need to do too go to a sea water pump on the block instead of using my Alpha SS. SS just loves sucking up the weeds and can stand it. I have already got a pick up thru the hull... just need a little info on what bracket and pump to use for the block.

Thanks!
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Old 06-05-2014 | 08:39 AM
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Originally Posted by chrisf695
Just looking for a little direction on what I need to do too go to a sea water pump on the block instead of using my Alpha SS. SS just loves sucking up the weeds and can stand it. I have already got a pick up thru the hull... just need a little info on what bracket and pump to use for the block.

Thanks!
Have a look at the below link. While it's not the same year it is the belt drive setup for the bravo

http://www.mercruiserparts.com/Show_...BLY%28BRAVO%29
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Old 06-05-2014 | 08:53 AM
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Originally Posted by chrisf695
Just looking for a little direction on what I need to do too go to a sea water pump on the block instead of using my Alpha SS. SS just loves sucking up the weeds and can stand it. I have already got a pick up thru the hull... just need a little info on what bracket and pump to use for the block.

Thanks!

Looks like this is what you need, PM me if you have any questions.

http://www.keitheickert.com/p-73926-...-assembly.aspx

If you're not using a circulating pump you can get the one with the billet bracket.

http://www.keitheickert.com/c-132-me...sea-pumps.aspx
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Old 06-06-2014 | 05:07 PM
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I have a Jabsco Bronze/Brass Merc replacement pump I used when I was a vbelt SBC setup. I have the Bracket and v-groove pulley on it as well. Probably ready for a new impeller, but was perfectly functional when I took it off. I can dig it out and snap some pictures of it if you are interested. I also have a crossover for a SBC if you wanted to go that route. Will your current crank pulley accommodate the belt for sea water pump, have one of those too?

Last edited by ACrooks69; 06-06-2014 at 05:15 PM.
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Old 06-08-2014 | 06:53 AM
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i would think a stock bravo pump would be cheapest and easiest to find and you would be sure it would fit with an I/O setup. there are pumps that hang straight off the front of crank pulley-no belt. but few people have 4 inches in front of pulley unless we get out the sawzall and then tell people "don't sit in the middle of the seat!" make sure you close off alpha hose at the transom and you might wanna still run the alpha pump and let it squirt inside gimble housing. they say the water flow cools the upper like an internal drive shower. maybe even take hose inside transom and fold it back so it shoots at the drive.
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