Daz
You are correct about it hitting the head. The motor I have is an enya 91 4-stroke and the glow plug on that engine seems to have a tapered bore which it mounts into the head. This motor has the plug facing the prop so it really isnt real safe without the remote. I havent worked with it yet but I am thinking of maybe grinding some of the remote off. I could shim out the plug with another washer but I dont know if that would hurt any performance.
thanks
Jeff