Hello All----Hope you are well. This is BassMan again. My 289 rebuilt engine is presently on the engine test stand (my home made wood stand). After about 15 minutes running I notice that there is some "seepage" of gas at the rear of the carb. I do not see any gasoline coming down from the top of the carb. I guess it could be coming thru a gasket, but I notice there are two rivet looking things coming out of the back & pointing downward. One even looks like there is liquid gas behind the head. Anybody know anything about these pieces? Do they go into a chamber full of gasoline? Are they press fit pieces ? What are they for ? I wonder if they can be removed and sealed, if that indeed is the leak ? 
See attached pictures-----As Always----Thanks Much---BassMan
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Those are tapered aluminum plugs intended to seal off a drilled passage. A gentle tapping might drive them in further and seal the leak. JT -
A little red thread locker or POR gas tank sealer might help too.Comment
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I can see that the standard, soft Carb. Plugs have never been fully inserted & flattened with a Drift Punch and Hammer, or just a hammer to seal them, so they were not properly installed in your Carter WCFB while it was removed.
StudeRich
Second Generation Stude Driver,
Proud '54 Starliner Owner
SDC Member Since 1967Comment
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Thanks guys !!! I appreciate the help. Now I know how to attack this problem. I will make the changes you suggest. BassManComment
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