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Old 04-22-2011, 03:48 AM
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I've decided to pull my engine.

I have posted before that I have a noise in my engine that I can't explain, I also have low oil pressure. I have decided to pull the engine, measure everything, change the main and rod bearings, hone and re-ring. I rebuilt the engine two years ago, but have some very hard miles on it. The bad thing is that the block is .060 over and the crank has been turned. I hope I don't find something bad. While I'm at it I'm going to port match and polish my trick flow 195s. Wish me luck.
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Old 04-22-2011, 04:01 AM
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Good luck!

I think your block will be OK, but that crank might be scrap now... better than having to junk the block though!
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Old 04-22-2011, 05:30 AM
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If your block was is .060 over and it was soinc tested you should be fine.

That being said we don't find many GM blocks that I would bore .060 over and be safe for a performance application.

Hell we have some blocks in the shop that I wouldn't use at .030 over because of a one thin cylinder but the other 7 cylinders are fine.
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Old 04-25-2011, 01:36 PM
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Everything looks pretty good, I think my excessive blow by was caused by rings that never seated. Cylinders still have the cross hatch and they aren't scared or anything. I did notice that the tops of my pistons are really black and covered with a sooty deposit. Would that be caused by unburned fuel or oil? I also noticed that my valve stems on in my exhaust ports were black except for two of them. The two that weren't black were white.
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