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Power Strokes
6.4 Aftermarket
All 8 pistons cracked? What happened?
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[QUOTE="08Stroke, post: 1495153, member: 12759"] So I’d like to get some opinions on what the heck happened here. Less than 45k miles on motor #2 and boom! Cracked number 8 clean across and the other 7 have smaller fracture cracks in them. I’m at a loss. These were fly cut, delipped and coated Mahle pistons. The cracks are all right at the lip of the fly cuts on each piston. The truck was dyno’d at 630whp and is stock fuel and air. No where near a big power truck. Is it just a coincidence that 2 weeks prior new tuning was downloaded to the truck? What’s everyone’s thoughts on this? Also, I’m considering going with the maxxforce pistons this go around. Is that the best option available right now? Who’s got the best pricing? Thanks in advance for any input. [/QUOTE]
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All 8 pistons cracked? What happened?
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