Cracked Piston at 100k - Ford Powerstroke Diesel Forum
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Old 10-20-2013, 05:03 PM
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Cracked Piston at 100k

I have a 2004 6.0 with 100k on it. I just took the heads off and found a cracked piston. I am trying to figure out what is the best route to take next. Is it going to be cheaper to build the motor thats in it, or find a long block and just replace it? Its a work truck so I am not looking to make a dream build out of it. I am just trying to fix it.. once, and possibly just sell it afterwards.
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Old 10-20-2013, 05:38 PM
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If the cylinder walls and rod are good, just replace that one piston. Many have done it this way or replace all 8 for peace of mind

2005 F350 CCLB FX4
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Old 10-20-2013, 06:17 PM
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What brand pistons are the best in these if I swap them all out? I feel like doing just one piston would be a recipe for disaster if one piston has perfect compression and the others all have 100k miles on them plus new rings?
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Old 10-20-2013, 06:23 PM
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i had just one replaced in mine by ford at 90,000 miles and had the truck to 140,000 without and trouble out of it
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Old 10-20-2013, 06:32 PM
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Did you put new rings on all the pistons or just replace that one piston?
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Old 10-22-2013, 10:23 AM
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Just replace the one piston and rings for that cylinder. 100k isn't enough miles to worry about the other 7. I've done this on several trucks where I work and have had zero issues.
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