I'm currently rebuilding a 1985 75HP 4 CYL. The service manual calls for Permatex 2C-12 on the crankcase halves when using the cork gasket strip. Is this the same stuff as Permatex #2 sealant? Is it a better idea to use anerobic sealant instead (such as Loctite Master Gasket, Gel Seal etc.)?