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  #31  
Old 04-09-2010, 09:41 AM
konstan's Avatar
curio and relic
 
Join Date: Sep 2009
Location: Omaha, NE
Posts: 370
#2 and 3,4,5 are all that good and all look about the same. No scoring, hardly any pitting. 240k on the odometer but it wasn't working when I got the car, so, who knows, really. Other than the knock, the engine seemed to run really well, did not smoke and had lots of power.

#1 is shot as y'all say.
What could have caused it? Well, the OIL ring on it was stuck and I had to break . I would speculate that it got stuck because of carbon, and then the piston got scored and it got even more stuck mechanically. What I mean by 'mechanically' is when I got the piston out, the ring groove was distorted enough to bind the ring in one please.

I doubt that this was the source of any kind of knock though. But still, good to fix.

Emery cloth - only to remove larger chunks of carbon. I will give paint stripper a try.
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