im in the garage right now awaiting the install of my new head but im having trouble removing the old gasket with my razor blade scraper, what is the best method for removing the old hg? i have a razor blade and i also have a dremel tool.. also is there some kind of solevant that will help in the release of the gasket... might i mention it had been overheated on several ocassions so that bitch is baked on there. thanks in advance