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When I had a poison tail mold I had a lot of trouble getting it to pour well. I polished some of the cavities and added Frankfort Arsenal Drop out. I only poured one cavity at a time. On the half ounce I had to “crack” the mold. I used a penny wrapper from the bank. I got some flash but did get complete pours. Someone else owns it now.

jigmeister - Hit the nail on the head! Even if you do have a strong fast flow, I would(I Do) hit my hook, metal pin and narrow part of the mold with a blast from my propane torch. 1-2 seconds. I live in Southern California and blast my molds/hooks on the first 5 or 6 pours and when I start getting bad pours. (even in the Summer) A Propane Torch also works great for melting the lead off hooks on bad pours. Hold your bad jigs by the hook with pliers over your pot and melt the lead off with the torch. Yes you can dip your bad jigs into the pot, but I think you get cleaner results with the torch. Good Luck

Another thing you could try is putting the spout directly into the gate. Use the pressure of full pot to force the lead into the mold. Sometimes that works well for me with molds that don't want to completely fill out.

Big Epp looks like either lead is too cold or low flow out of the bottom spout . I always try to pour will the pot full of lead as this creates more pressure = faster flow (better stream )out of the spout due to higher static pressure . A test I do as the pot is just about up to temp is to turn the mold sideways and level under the spout and pour lead onto the side of Do-it mold in the depression with the mold name and model info just using quick spurts of lead to gauge how well it is flowing it also helps heat the mold up . After using your pot it will become second nature what a good normal flow looks like coming out of the spout . Another suggestion would be to fill the sprue for each mold cavity to the very top when pouring don't try to skimp on lead .

Looks like you need a bit more heat somewhere. Think I would heat the hooks. As for how high you leave the setting on the pot, bet each pot is different. Maybe not by much, but a thermometer will tell the tail.. Arne.