disappearing gas?

As some of you know I have been experiencing problems with my F14. Seems to flood very easy when trying to crank.

Last night I pulled the top on the carb. Filled the bowl with gas, put the top back on, and never touched it again.....until this morninng.

Pulled the top back off the carb, the bowl was empty.

What is the guilty culprit? The gas had to seep out somewhere, and the logical place is into the manifold, so how is it getting there?
 
Not familiar with one of these, just happened to read this, but do know to check and make sure the gasoline did not leak into the crankcase (if possible with this particular engine) and thin the oil out which can ruin an engine quickly, it happens with the old caterpillar starting engines, old style zenith down draft carbs somehow allow it to leak down, pesky problem to find or fix with those, most people shut the valve off and run the fuel out of those anyway, just that gas thinned oil, hate to see anyone not notice that and have an engine fail.
 
I would take the carb off and set it up somehow so you could watch it (maybe with a mirror) and put some gas in it again to see where it is leaking. Unless it just dries out overnight.
 
I thought about it drying out overnight, but it seems like that would be alot of evaporation.

I think I found the problem though. The metering valve looks like it has a pretty good nick it it? somehow. I had an extra old carb laying around and took the metering valve out of it, it looked alot better. It's been sitting since about 7 this morning and so far seems to not have lost any fuel.
 

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