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Old 02-20-2012, 01:42 PM
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Default 540 Issues
I did a leakdown on my motors coming out of my boat...it's been all downhill since then.

Guess how many hours are on these bearings?

Mains
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Old 02-20-2012, 01:44 PM
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Rod Bearings
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Old 02-20-2012, 02:22 PM
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I'm gonna guess you were hoping for quite a few more than you have on it before you got this deep
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Old 02-20-2012, 03:47 PM
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They look like they have 300+ hours on them, I freshen my blown 540 every 120 or so hours and they have always looked like new (h series running on a 4340 crank that is permatoughed ) running about .0028-.003 main and .0033-.0035 main or so clearence, Smitty
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Old 02-20-2012, 04:12 PM
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Doesn't look good, any gas in the oil ?
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Old 02-20-2012, 05:24 PM
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ya running too rich will do that
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Old 02-20-2012, 08:23 PM
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I never had gas in the oil. They never ran really rich either. I'll add some pictures of the cranks in the morning.
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Old 02-20-2012, 08:30 PM
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Any chance of detination ?
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Old 02-20-2012, 08:38 PM
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they dont look that bad to me,im not good at guessing,how many hrs do they have,and what brand and weight oil do you use?
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Old 02-20-2012, 08:43 PM
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i forgot to ask,what brand are the bearings?
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