Slip, If you want to figure out the best place, and amount, for lead without drilling the plug full of holes, get a few wide rubber bands and use those to hold the lead in place while you test cast. You can move the lead around, or change the amount until the plug runs how you want. Then, mark the plug where you need to drill it.
As a rough guess, I would say you want one shot around the center of the plug. This will take some of the roll out of it. If you put a shot in the chin, it will cause the nose to come down more. I'm thinking that the short, but well defined, face is causing the roll. Chin weight would enhance that action.
Jigman
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