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Power Strokes
6.4 Aftermarket
Piston discussion
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[QUOTE="Faraim, post: 914996, member: 14287"] [b]piston discussion[/b] I know this isn't an introduction thread so I will get down to it. The pics of the cut up piston are out of my truck #8 let loose on a back road around 75mph not completely hammering on it just attempting to make clean quick pass 106,000 mi on truck tuned h&s on 300, dpf delete, intake 4" exh that's all the mods the truck it had However I think the problem actually gave me some small warning the day before on a 400 mi trip when I noticed mpg went from 19.8 h.c. to mid 16mpg that trip was all easy highway miles Upon further inspection of this piston I have another theory, I may not have been a thin casting but the crack acted like a torch tip and focused the flame front into the cooling galley and then right out the ring grooves. get new .030 over pistons and with my continuing good luck this is how they came out of the box [/QUOTE]
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