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Message: [QUOTE="Blown262, post: 1254174, member: 22334"] I have done many Google searches on the subject. There isn't a lot of info on stock block 7threes going 4k+. As for the tunes, beans tunes have been great thus far. EGTS dont get crazy, there's almost no smoke down low and nothing up high. The motor internally seems almost perfect still. Blackstone tests every other oil change and everything is on the low side and if I scope the pan, the crank, rods, and piston bases all look pristine with no heat marks and all the squirter are still in place. I have no blow by and the cylinder walls still have some cross hatch on them. The truck has runn Rotella T6 5w40 for the last 70k+ with Motorcraft filters and it's doing damn well considering the abuse it's taken. [/QUOTE]

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