Locked up Slant 6

Had a225 sat in montana for 20 yrs. Marvel Mystery Oil, PB Blaster, and ATF 2 weeks each. Pulled head and bug nest or something in #2. Probably exhaust valve open cause air cleaner on. Pulled rest of pistons. Have to come out the top. Backed #2 up & wire wheeled gunk out. Came right out but corrosion pits needed .030 bore. Instead dropped in salvage motor for 1/3 price of machine work. Love knocking around in my 65 Valiant 200 now while gathering money & parts for complete rebuild of 64 Barracuda.