A/C B 1950 update timeing a mag

[glendora boy]

found afairbanks mag to put on still runing on 3&4 new plugs, wires geting spark in all 4 at the right time turned thoughts to gas. intake manifold has a plug in it so we removed it and blew it out with air hose. this plug is on the side that feeds cyl.2&3. also slight adjustment to valves.just to check them. don't know which one solved the problem but it is runing like a top now. thanks to all for your input maybe this might help someone else