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Hopper

08-25-2019 07:51 AM

Advice on cross over BBC's

good day, I just installed b&m 250's on my 525sc engines. had to delete the circ pump and added the crossovers no bypass. no T stats boat seems to run fine (1 hour so far) but I am starting to wonder if the seawater pump might be overloading block with water pressure? let me know thanks in advance.

jamontes

08-25-2019 08:48 AM

Do you have a water pressure gauge? Are you running T stats?

I have similar set ups and run no T stats. Ended up using restrictor washers to control water psi.

Hopper

08-25-2019 10:54 AM

Quote:

Originally Posted by jamontes (Post 4703688)

Do you have a water pressure gauge? Are you running T stats?

I have similar set ups and run no T stats. Ended up using restrictor washers to control water psi.

no water pressure gauge, no T stats where did you install the restrictors? how much water pressure are you running?

jamontes

08-25-2019 11:34 AM

The restrictor washers install where the thermostat goes. I am pretty sure I am running a 5/8”...

5psi at idle, 15psi at cruise.

Hopper

08-25-2019 02:39 PM

ok thx for the info.... do you know what they actually run at with the circ pumps on?

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