Carb is opening all the way with the throttle and secondaries are coming open, timing is at 16 and advances to about 33, I did not look at plugs, I am running the AC delco ahhhh, I cant remember # and had a hard time at checker because nobody there knew what plugs to run. Maybe old tach is just incorrect, I had so many things to check and watch that it was almost overwelming but sooo much fun.