I have 200 airs, 155 fuels and 160 pilots now although its not correct. Best I can do with what I can only describe as a dead cylinder. I need to pull the motor but just haven't gotten around to it. I understand that after '67 you could opt for the solex setup from the dealer but it was not installed from the factory which is why some don't have the finned aluminum oil pan. I think all those had the solexes and B cam installed thought.