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Mercury By-Pass and Water PSI???

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Old 08-12-2010, 06:46 AM
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http://www.mcmaster.com/#springs/=8dbh4t
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Old 08-12-2010, 09:48 AM
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www.master-carr.com. I ordered mine by phone.
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Old 08-12-2010, 10:09 AM
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Originally Posted by fbc25el View Post
www.master-carr.com. I ordered mine by phone.
If I place an order before 7-8pm I usually get it the next day ..... also you only pay actual shipping cost .....top shelf stuff too .....m
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Old 08-12-2010, 11:52 PM
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Thanks guys, I ordered the springs that were mentioned above, and I'm going to take the merc ones apart and try to alter those springs and see where it goes from there. I'll post pics and my findings and will hopefully help someone else with a similar problem someday.
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Old 08-13-2010, 12:40 AM
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Originally Posted by fastdonzi View Post
Thirdchildhoods boat has closed cooling, His Raw water pressure is what he's talking about. The Closed cooled part is governed by a Cap just like a car. The block never sees the high pressure, just the heat exchanger. His is the boat I was refering too in my first post.



Opps, didn't get that part.


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Old 08-16-2010, 08:07 PM
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Ok got my springs, climbed in tonight to take one apart and after 30min of cleaning to get all the oil out from my $900 KE investment for 2 piece valve covers that leak and still leak after they sent me "Up Dated" bases, I got the merc one out and compared it to the new one. My finding was the Merc one needed 34lbs of psi to fully compress, and the new one need 21.4 psi to fully compress. So I am going to put the new one in and also cut 2 of the new ones 1/4 inch off and take it out for a burn. If the new ones still have too much psi I'll try the new "shortened" ones after and see where we end up. I'll post me results for ya. Thanks again.
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Old 08-18-2010, 08:59 PM
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Well, I took them apart and the spring in the pic with the orange on it is the OEM one that came in the bypass from Merc. The long bare stainless in the McMaster Carr one spoke about on here, and the short one is the McMaster Carr one cut 1/4". I put the cut ones in and going to try them tomorrow. the new springs had WAY less tension then the OEM ones.
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Old 08-18-2010, 09:23 PM
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Ok got my springs, climbed in tonight to take one apart and after 30min of cleaning to get all the oil out from my $900 KE investment for 2 piece valve covers that leak and still leak after they sent me "Up Dated" bases,
in your spare time ......


http://forums.boatfreaks.org/showthread.php?t=13890
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