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Message: [QUOTE="getstroked27, post: 1274887, member: 13969"] 6.4's do not have the Head bolt issues that the 6 liters had, so thats not too much of an issue until you get into higher HP trucks. That doesn't mean it can't become an issue if you beat on it a lot, just less prone to failure. as far as pistons, its such a toss up. I have had only one common 6.4 issue with mine in the past 4 years, and that was the front pump seal letting loose. i have ran nothing but "race" tunes since the day i bought it unless i was towing, and i have yet to crack a piston, or have a leaky radiator, or any of that common stuff. Like i said, doesn't mean it can't happen to you though. i think i just got really lucky. If it were me, i would save up and get a 6.7. much less issues with them. really only have to worry about the turbo. IC pipe upgrade is a cheap insurance and after that, the turbo is really the only issue. and that is much cheaper to fix than a trashed engine. just my thoughts. [/QUOTE]

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