Chryco, Check out my plugs today, Do they look on the lean side or normal. 340 w/T-Q carb jetts are .095/.143. 1996 rod with orange chrysler box, RN-9-YC Champions, timing 34*. Approx. 2,700 miles on them. The car all of a sudden is just burning my eyes today. No miss firing , I also leak tested the engine, I went from 5% average back in May of this year to average 23% today..Don't know why yet....Vin...