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Fuel fill vent
I have a 75 v20 with 20 gall. saddle tanks, I am getting water in my fuel vent in rough conditions. any suggestions on how to correct the problem. FYI when I redid my tanks I mounted vents with the screens facing down. i did not put a clamshell cover, should I have?
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Tight Lines !! Last edited by Joker2; 07-09-2016 at 06:20 AM. 
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#3
07-09-2016, 09:28 AM
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Did you route the hose from the vent upwards towards the gunwale before turning downwards to the fuel tank? It's like installing an inverted p-trap. Also, have the vent angled at 45 degrees toward the stern.
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-Steve "Oar Chasm!" 1977 Wellcraft V20 Step OB cuddy. 1971 1350 Merc "Any damn fool can navigate the world sober. It takes a really good sailor to do it drunk." - Sir Francis Chichester
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#4
07-09-2016, 12:39 PM
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I here they have I vent fitting with a one way check valve Are they any good ?
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love to fish
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#5
07-09-2016, 03:43 PM
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When I had my 75, I moved the vents up to stop fuel from leaking, andput clam shells over the vent to stop the water tfrom going in under way!!
http://www.ebay.com/itm/SEACHOICE-SS...5SljiK&vxp=mtr
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1986 V20  Old Fishermen never die, we just SMELL that way!!
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#6
07-09-2016, 04:07 PM
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Check valve in a vent would be bad... It needs to relieve both pressure AND vacuum.
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#7
07-09-2016, 08:11 PM
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My vent has a full loop in it. Should it just be a hump like an upside down p trap?
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1999 Wellcraft 22WA-200 Ocean Runner 1982 Grady White Tarpon 190-110 Evinrude-Sold 1996 Striper 2100WA-RIP Sandy 1989 Wellcraft 18-Sport-125 Force-sold
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#8
07-09-2016, 10:01 PM
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Yes... A full loop will hold liquid in the bottom
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#9
07-09-2016, 10:34 PM
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It's funny my fuel vent, bilge pump, and fishboxes drain hoses all had full loops in them. I took care of the drain hoses already but when I changed the vent hose I put it back the way it was. I'll fix that tomorrow. Glad I saw this thread since I plan on taking my boat to the marina tomorrow.
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1999 Wellcraft 22WA-200 Ocean Runner 1982 Grady White Tarpon 190-110 Evinrude-Sold 1996 Striper 2100WA-RIP Sandy 1989 Wellcraft 18-Sport-125 Force-sold
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#10
07-10-2016, 05:50 AM
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Do like MJ said.
Make the new locations above the rub rail and just leave the old ones in place so you don't need to patch the holes. 
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 '75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny Last edited by tsubaki; 07-10-2016 at 09:33 AM.
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| fuel tank replacement |
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Linear Mode
