I have 2 cents about the foam. My father runs it in everything and ends up with engines that use oil. Connection, i dont know!!! But I have to think that Sea Foam cant be good for injectors, or guides and cant burn real clean. So I have to think that if you need to add anything other than oil, antifreeze, and gas its probibly time for a new engine.
Oh my father has also been known to wash his truck with windex. I think my point is made!!!!