did you already buy the valves?if not i have some i will give you free to help you out..like alpha said everyone has differnt i myslef only use napa on florida ave. dont waste your money on the pressure test if you going to have the head resurfaced anyway..and for the rest around the coolent passages you can clean that up yourself with a long screwdriver and sand paper..and i hate people that use that copper spray its a waste lol sorry you got fucked over