Originally Posted By: DieselTech
It's quite normal for 7.3 to do that especially during winter. I don't believe this has anything to do with your issue of high copper readings. If your truck has a block heater, p,lug it in for 1 night and see if it still smokes the next morning. I'm willing to bet you have some weak glowplugs or batteries
So you are running Redline in your 7.3L. I have only ran into one other person that has, any chance you have a UOA that you would like to share? I have wanted to try Redline in my 7.3L but at $40 per gallon I have been a little hesitant.