Ok I checked my dodge over and over I had to get new cylinder heads for her and she didnt smoke befor till I put this heads on her rebuild my engine is a 5.9 360 I bought rebuild heads and now on a cold or warm start it puffs out blue/white smoke (oil) but I want other peoples opinion on it I know the rings are fine I looked at them if you let it sit for 20 mins after you get done driving it and start it it puffs out smoke after that its fine I know the plenum is good I replaced it and thay but im thinking valve seals ill post a vid on it and show you Dodge form help: