Disco Stu, Jack Cotton and James Kiddy asked me to contact you on the leaning out of the number one cyclinder. I have blown head gaskets and had to have the GN-1 head repaired now more than once , all damage on the number 1 cyclinder.
Have replaced all 6 injectors and injector harness' and checked the pumps ATR duel pump.
Have decided to pull the fuel tank [stock] and replace ATR with a Red Armstrong What you have done to solve the issue with your car? Jack Kotlarz