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Power Strokes
6.4 Tech
Cracked piston
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[QUOTE="kleake, post: 1505756, member: 25987"] Either this block has been decked before, or the stage 1 cam lobes are a little taller on the low side. I was able to compress the lifter, so that wasn't the issue. I swapped push rods and valve bridges, no change. Ended up putting in one of my previously machined down valve bridges that reduce gives a little more clearance and all is good. Still not understanding which component was different, but all cyl are good. Buttoned it up, went to fire it up and had a major fuel leak on the top of the HPFP. Took a while to dig may way in there and change out the O-rings again, but got it done and solved that issue. Man that's a tight fit down in that hole!!! Anyway, got her fired up, she sounds good, but I haven't taken her for a drive yet. Still gotta put the hood, bumper, and headlights on but I've heat cycled it a couple of times and stalled it up to burn some of the oils off of the manifolds and such. So far, so good. [/QUOTE]
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