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Message: [QUOTE="Ronin, post: 466347, member: 2612"] Thanks again for the replies gentlemen... Even though the current oil/filter only has 1K miles and only a few weeks on it, I figured I'd pull the filter, dry it out and take a look at it. That wasn't necessary. With the oil filter aside I took a look inside the housing and there was metallic particulate readily visible on the wall of the housing. Looked like the filter itself was likewise contaminated. I switch from Motorcraft to the Shell Rotella about 6K miles ago. The tow trip and oil analysis last year after my trip scared the crap outta me. I figured with my extreme service oil change interval, AMSOIL bypass filter (with a FilterMag clamped around it...and I know that AL isn't ferrous!) combined with the synthetic oil that I'd see some sort of improvement...no such luck. I've known my local Ford master diesel tech for almost 10 years now and we're friends. He helped me build out my 6.0 Excursion and knows how I roll and how obsessed I am about maintenance. His gut reaction was that it was likely a piston issue (5 and/or 8 specifically) and to get out of it before it was too late. He's far from being an alarmist so that's a bold statement. I've also had the benefit of sampling this truck contemporaneously with my buddy's '08 F350 which I helped him build out. It amazed me that his truck, with 4 to 5 times the mileage of mine, had a fraction of the metals (AL in particular) that mine did. I expected the first sample to be a mess (because of assembly) so that didn't bother me, but I drove it stock for almost 10K miles and it never improved, and actually got worse. Since it was mentioned, blow by on this truck is minimal, practically non-existent. I had a CCV bypass installed and serviced it regularly, and again, comparing it side by side with my buddy's truck, his blow by was much more prolific than mine, which I expected with the mileage, but his OA was right where I wanted to be. It sucks. I'm pissed. I started returning it to stock yesterday and pulled off the CCV bypass, DieselSite coolant bypass, AMSOIL oil bypass and reinstalled the stock intake. With the exception of the downpipe about everything else in my sig is coming out...and I'm going truck shopping. I haven't completely written diesels off but you gotta see the look on the bride's face when I mention getting another one (Ford, of course...PLEASE?!)...oh boy! [/QUOTE]