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Discussion Topic:
49 Mercury Carb Flooding
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zoopie36 |
05-30-2016 @ 6:34 PM
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Member
Posts: 39
Joined: Jun 2010
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Hi Tom, Thanks for the info. I will try that boiling method but when I take off the top bowl, the float is setting exactly where it should be on top of the gas. Would it do that if it had any holes? Dale
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ken ct. |
05-30-2016 @ 8:07 AM
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Senior
Posts: 1513
Joined: Jan 2010
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I have some Merc floats if you need $10 each plus $7 mailing in small flat rate box. Have many rebuilding parts for the Merc back draft carbs. ken ct. email, pm or cell 1-203-260-5945.
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TomO |
05-30-2016 @ 7:14 AM
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Senior
Posts: 7244
Joined: Oct 2009
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Did you place the float in a pan of boiling hot water? To do this, boil some water in a pan deep enough to submerge the float. Once the water starts to boil, turn off the heat and submerge the float in the water. If you float is leaking, you will see a stream of air bubbles come from the leak. Clean the area around the leak with steel wool or sand paper, get some plumbers solder with tinning compound and flux and apply heat to solder it closed. Recheck the float, as this process can open up new areas. Use as little solder as possible. You may be able to find a good used one as I don't think that those Holley floats are reproduced.
Tom
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cliftford |
05-30-2016 @ 7:04 AM
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Senior
Posts: 845
Joined: Jan 2014
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It sounds like fuel is getting around the needle and seat, maybe due due to looseness , a bad seat gasket, or a crack on the carb. body.
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zoopie36 |
05-29-2016 @ 7:57 PM
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Member
Posts: 39
Joined: Jun 2010
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I did do those. Had no leaks and moved freely. Thanks
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cliftford |
05-29-2016 @ 7:50 PM
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Senior
Posts: 845
Joined: Jan 2014
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Pull out the float and check it for leaks, and for free movement in the bowl .
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zoopie36 |
05-29-2016 @ 7:45 PM
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Member
Posts: 39
Joined: Jun 2010
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I have been running my 49 Merc with original flathead and original carb. Then the other day I started it up and it ran fine for a few seconds and then started to miss. Gas was coming out the side. I took out the needle valve and cleaned it. Put it back together and still has the same problem. Any help would be greatly appreciated. Thanks, zoopie
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