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#1
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That is the one. Gravois, I read their Info section they are only building patrol boats and such. Not much info on them. First glance at one and you would swear it was a fiberglass boat. Awesome, and thank you.
__________________
 1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS 
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#2
10-20-2011, 04:29 PM
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The verdict is in.
My tank is 40 gallons. I emptied 17 gallons of fluid from the tank. 3 gallons of which was salt water. That would explain the surging. My tank vent is at the extreme stbd quarter of the boat at the transom, just below the rub rail and in front of the bilge pump outlet. I think that between the bilge and the spray from running on plane, I shoved a bunch of bayou water down the vent pipe and voila, problem. There was also a bunch of varnishy goodness in the bottom of the tank that I was able to hoover out. I blew the pickup tube out with compressed air; it was clean. I've already replaced all fuel lines with the good stuff prior to this problem and there is no pickup screen on the pickup tube, nor do I have an anti siphon valve. My plan is to move the vent line on Friday and run it again on Saturday with a clean tank and see what happens.
__________________
 Offshore 22 powered by Mercury
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#3
10-20-2011, 05:39 PM
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Shrek, I think you got your basic issue w/the location of the vent fitting...that's absolutely the last place to put an air intake...no wonder it had water in the tank...our V20s vents on some models are poorly located...I repositioned mine ABOVE the rub rail and never had another problem...
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#4
10-20-2011, 10:35 PM
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glad to hear that that tank is ok and you just need to reroute the vent. let us know how it works.
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#5
10-21-2011, 10:41 AM
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Absolutely, the a-ha moment. Hope you do not have to look into cleaning the carbs. I love the looks of that Offshore. Best of luck to you.
__________________
1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS
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#7
10-27-2011, 06:45 AM
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Rut Row.. No posts for a few days, how did it go?
__________________
1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS
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#8
01-20-2012, 12:56 AM
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Yeah, what yingxuy said.
__________________
84' Wellcraft Fisherman 18 / 96' Evinrude 130-Sold 20' Fisherman project underway www.ParkerFenceandDeck.com
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#9
01-20-2012, 04:23 AM
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Quote:
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