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Message: [QUOTE="rrod, post: 1069776, member: 16035"] Sounds like you know a little about this subject. I don't really know if 20 in is excessive blowby. When you see these videos of 6.4L blowby they look pretty close to mine and some even have more, from the looks of it. I know the dealer is not always correct and I just can't justify them saying I need a new engine because of blow-by. So far on this experience this is what I have experienced, which by the way this experience is all because my original concern was light haze smoke coming from exhaust , thinking it was a turbo-seal: Mechanic 1) one injector has slight imbalance which indicates cylinder wear, also there is metal in your oil. Engine is on it's way out. Need to put factory exhaust pipe back on to try and get it covered by warranty. Warranty denied due to no real evidence (thankfully) Factory pipe stopped the smoking due to the DPF filter. Mechanic 2) ran a bunch of tests, looked at oil said it was good and can't really determine anything wrong at this time because the truck seemed mechanically sound Ford) injectors came back in spec, all cylinders have even compression indicating even wear which is why I don't notice it running any different and also why there is no codes?? crankcase pressure at 20in instead of 10in so that was the speculation why I need and engine from them Blackstone report) no concern of metal, no fuel in oil or antifreeze and came back with good results. I'm shocked at what's going on here. [/QUOTE]

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