What sea strainer for single 525 efi ?
07-02-2012, 09:06 AM
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What sea strainer for single 525 efi ?
I want to install a sea strainer on my system but with all of the options out there I'm not sure which one would be best for my application. I have the XR with dual water pick-up and boat in fresh water. I'd like to keep it as simple as possible and don't want to have to take tons of bolts out just to remove the lid. Also I don't want to jeopardize the water psi through the system.
Last edited by SippyRat; 07-02-2012 at 09:09 AM.
07-02-2012, 11:27 AM
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07-02-2012, 11:41 AM
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This is my set-up on my 525. The 525 can handle water pressure up to 43# and likes around 35. Don't run a relief valve if you don't have to. It's one more thing that could fail and that could be very bad if it stuck open at high speed. Those are wing bolts, not nuts, and they cannot come all the way out so you cannot drop one. It's easy to open and this style cover will not crack. I'm not putting down the other type but there was a thread here a while ago about those lids cracking. There is a relief valve in this picture but I've since removed it. I've also got the CP SS raw water pump.
07-02-2012, 06:36 PM
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This is my set-up on my 525. The 525 can handle water pressure up to 43# and likes around 35. Don't run a relief valve if you don't have to. It's one more thing that could fail and that could be very bad if it stuck open at high speed. Those are wing bolts, not nuts, and they cannot come all the way out so you cannot drop one. It's easy to open and this style cover will not crack. I'm not putting down the other type but there was a thread here a while ago about those lids cracking. There is a relief valve in this picture but I've since removed it. I've also got the CP SS raw water pump.
07-02-2012, 07:18 PM
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The strainer came from Teague. The pump housing is made by Hardin and I got it from CP performance. Very happy with it and can't understand why a $40,000 racing engine comes with a plastic pump to begin with.
07-02-2012, 07:34 PM
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Thanks thirdchildhood. That answers my question on the psi. Would like to see pics of kpm system an others if anyone has the time
07-03-2012, 09:12 AM
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I agree! But what I can't figure out is why merc doesn't spec a strainer system on every setup with LWP or DWP. Seems like a no brainer to me
Thanks thirdchildhood. That answers my question on the psi. Would like to see pics of kpm system an others if anyone has the time
Thanks thirdchildhood. That answers my question on the psi. Would like to see pics of kpm system an others if anyone has the time
07-03-2012, 11:13 AM
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Any good sea strainer should get the job done. I just showed what I went with. The 43# max raw water PSI came right from the Mercury shop manual for the 525. 25# is too low for this engine at high RPM.
