Strange 2-Bbl Action Today

I had a no start situation after a long garage rest for my Coronet, 318 2 Bbl. I determined the carb was not getting gas. When I disconnected the fuel line at the filter, it came off with a POP, and then the normal spillage out the filter. So the gas was making it past the pump. I took the top off the carb to expose the bowl, and it was bone dry. I manipulated the acc pump, floats, and the metering rod (I think) just to make sure things were moving. I put a little gas in the bowl, reassembled, and it fired right up. Here, I left the fuel filter OFF to eliminate it as a problem. Ran just fine for 10 minutes, and I shut it down. Next, I hear a hissing coming from the carb, and looking closely, I can see gas running out what seemed like every orifice of the carb! It was enough to drench the intake, and puddles were forming. Atop the intake, it was hot enough to bubble, so I backed off quick-like. I grabbed a towel to either wrap around my soon to be on fire head or fan off the heat from the engine. Fortunately, no disaster ensued.
I'm suspicious of the POP when I disconnected the line, and all that hissing and fuel barfing at the end has me puzzled. Perhaps a cracked bowl? But why all the hissing?
I'm thinking I'm retiring the 2 Bbl setup here, so I'm not going to knock myself out on solving this. But I am curious if anyone has any thoughts on this.
Thanks!

"Long garage rest". I suspect a possibility of the needle sticking to seat, causing the pop you witnessed when removing line. I would invest in a decent carb kit to overhaul that carb. Now that the needle is free, it may have some crud around it so it can't seat.

Right, fuel purging from every orifice is an over full bowl for sure, stuck open needle/seat, stuck, sunk, or misadjusted float, etc.

Needle not seating. When working correctly the float rises to push the needle against the seat cutting off the gas. If there is crap between the needle and the seat it can't close letting the carb overflow.

Sounds good. I did manipulate the needle during all this, and it was stuck. So now it seems to be unstuck, but not seating. Thanks for the brains!

Needles and seats are quite delicate. Could be swollen shrunk, or generally degraded from todays methanol laced fuel, could be glazed over with old fuel varnish, could be that you damaged it playing with it, etc. Have you rechecked your float adjustment?

No Scott, not from the rebuild I did several years ago. I don't recall how to achieve the baseline setting?

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But I am curious if anyone has any thoughts on this.

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As said the needle stuck from non use then it flooded possibly from minute debris that dried out on the contact surface. I'd spray the seat clean with brake kleen and wipe the needle between your thumb/forefinger to clean/smooth it then see if the neoprene taper has a groove & if not you might try to reuse it & good chance you'll be fine. Since it is a Carter you might be able to buy the needle/seat seperately for it or take it to an O'reillys that stocks (or can order) a needle/seat for Eddy performer carbs & see if it is the same. Worst case you could buy a new kit specifically for the 2bbl & use just the needle/seat (for now/complete rebuild later as needed) & be up & running in no time. Do check/reset the float level if needed