sixtysick said:Another Problem I have run into is air leaking by the spark splugs when I turnover the engine. Anyone else had this problem? I am beginning to hate Aluminum heads for their sensitive holes that are tapped. Anyway, I guess I will try some thread tape and see if that seals it.
Make sure you have the correct spark plugs for your heads I've run aluminum heads for about 8 years and have never had that problem not sure I'd put teflon tape on the plugs it will probalby burn out anyways just verify that you have the correct plugs or helicoil all the threads.