Compression Ignition Addict
Join Date: Sep 2007
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So a little history on my truck. It has about 88,000 miles on it. Always have used Rotella 15w-40 oil with a Motorcraft oil filter. Change the oil between 3 and 5000 miles every time. Truck has had the HG redone by Ford and the FICM replaced. Also they replaced the HPOP STC fitting. Truck has no tune and it has no muffler and no cat. Has a delta of 5-8 degrees.
So now the problem I am having. When I drive the truck it runs great. Also the trucks fires up right away and the idle is smooth. Only problem is when I stop at stop lights or anywhere and the truck is idle, when I go to take off a bluish puff of smoke comes out. I have read a bunch of threads with blue smoke issues and the replies vary from turbo seals to injector stiction.
I also called a shop here locally and he was leaning more on the injector side. He was saying an injector could be spraying in extra fuel and because its cold fuel and not hot fuel it is coming out bluish rather than black.
I am definitely switching to Rotella T6 just because it seems its the more superior of the two oils. I was also thinking of the whole rev-x additive. Do you think that will help or do you guys believe it is more likely a turbo issue??? Thanks for the help.
2006 F250 8" inch Pro Comp, Top Gun Customz dual steering stabilizer, Bilstein 5125's, 4.30 gears Toyo MT 37's, Powermax, SCT X3 w/ Matt's 8k Tow tune, DC Power 185 alt, Superlift Truspeed, PMM coolant filter with Rotella ELC, Edge Insight CTS, MBRP 4", Line X'd bumpers, grille, and tonneau cover