Ok, I'll see it says ethanol but I don't know if it means 10% ethanol or 85% ethanol resistant not really sure if that means anything. I'll send a message to permatex.What about this Z? Never used it before but I always use Permatex sealants and black and gray RTV with great results.
Will it melt or whatever from e85 tho?Most all the auto makers are using Permatex Optimum Grey (or similar recipe). It's also very high temp. If I were assembling a mega $$ race engine this is what I would use for worry free sealing :