Thanx guys. I was asking because I don't know if tune up parts (plugs, oil filter, etc) are different between the two. I ordered a new valve cover and gasket because the old one is cracked real bad and sucking air. That seemed to be the same at the parts store regardless of the 230,250, or even 292, but I'm not sure about the other stuff. I'll check the numbers you're talking about behind the distributor. Can you look inside of a plug hole or are you talking about taking off one of those side plates below the head? Thanx again you guys are a huge help. This is gonna be so FUN!