Seafoam won't do much. If you're going to hope an additive helps, at least use Techron or equivalent. I've actually had that stuff save me from a carb disassembly. Techron has polyetheramine (PEA) in it, but Seafoam has nothing special I can find in the MSDS, other than up to 25% alcohol.
https://seafoamsales.com/uploads/201...161205-ENG.pdf