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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 water separation filters
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glivs
Admiral

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USA
836 Posts

Initially Posted - 04/20/2010 :  03:47:27  Show Profile
Many on this forum have purchased 4-stroke engines in the past few years. Who has installed a water separation filter, such as Racor's and where did you mount it? This past summer was a particularly wet one here in the NE which in combination with the 10% Ethanol mixtures caused many fuel related problems - (read: a banner year for the boat engine shops).

Gerry Livingston, Malletts Bay, VT
"Great Escape" 1989 C-25 SR/WK #5972

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 04/20/2010 :  07:37:44  Show Profile
I have a separation filter temporarily mounted in my projects box, but it has only been there for a year. I had good intentions, but I use two 3 gallon tanks so I replace fuel fairly frequently and haven't had any issues.

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Voyager
Master Marine Consultant

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USA
5314 Posts

Response Posted - 04/20/2010 :  15:42:13  Show Profile
Our resident Curmudgeon installed one on the inside of the transom below the tiller, between the scuppers, and it fits perfectly there, as if it were always there. 1/2 way between the gas tank (in the port locker) and the engine (starboard mount), it's an ideal location.

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glivs
Admiral

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USA
836 Posts

Response Posted - 04/23/2010 :  16:19:57  Show Profile
Thanks Bruce

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Stinkpotter
Master Marine Consultant

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Djibouti
9044 Posts

Response Posted - 04/24/2010 :  07:30:01  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Voyager</i>
<br />Our resident Curmudgeon installed one...<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">I figured I'd let Bruce give his opinion on the location... At the advice of a mechanic, I put in a much larger one than Racor would suggest--you can get something less obtrusive.



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glivs
Admiral

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USA
836 Posts

Response Posted - 04/25/2010 :  16:08:11  Show Profile
Dave, thanks for the pic. Is that model rated for about 30 gal/hr?

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Stinkpotter
Master Marine Consultant

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Djibouti
9044 Posts

Response Posted - 04/25/2010 :  17:00:42  Show Profile
It's rated for much more than a Honda 8 drew, but the very expert mechanic I talked to recommended it for its finer filter (the smaller units have higher-micron filters), and because the slower fuel goes through, the more the water settles out. But given that the builder put a smaller one in my new boat with a V-6 Honda 225... you can probably go smaller and be well served.

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skrenz
Captain

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USA
351 Posts

Response Posted - 04/27/2010 :  08:12:21  Show Profile
Do you ever have any issues getting fuel to draw through the filter when first starting up? It would seem to me that I would worry that the outboard fuel pump would not be strong enough to pull through the filter???

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Stinkpotter
Master Marine Consultant

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Djibouti
9044 Posts

Response Posted - 04/27/2010 :  09:49:24  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by skrenz</i>
<br />Do you ever have any issues getting fuel to draw through the filter when first starting up? It would seem to me that I would worry that the outboard fuel pump would not be strong enough to pull through the filter???<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">The bigger the filter, the easier. Also, when running, the engine is below the filter. My Honda 8 had no problem.

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