The 'E' Type Forum

My 73 V12 is running a little rough I have replaced the plugs, leads, dist cap, rotor, air filters, diaphragms. It has the SNG ignition module. I have compression tested it and all are with 0.6 bar. :thankyouyellow: The symptoms are an uneven tickover, v rich start up, and light grey plugs (weak ?) ...