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Piston Rings

racefan's Avatar

Join Date: Nov 2003
Posts: 236

02-27-04, 03:34 PM   #1  
Piston Rings

I got ahold of a 350ci chevy small block that the guy put chromoly
rings in. The problem is the rings never seated. Does anyone know of a way to seat the rings or do I have to tear it down & have the cylinders honed? It has about 5,000 miles on it.

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toyotaman11769's Avatar

Join Date: Jun 2002
Posts: 1,531

02-28-04, 07:34 AM   #2  
I would have to say if the rings haven't seated by now something was done incorrectly. Possibly incorrect cylinder wall finish, improper break-in, use of synthetic oil used etc.

Why do think the rings haven't seated?

mike from nj's Avatar
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02-28-04, 08:30 AM   #3  
mike from nj
i was wondering the same thing

the crosshatch in the cylinders almost never disappears, not even after 200,000 miles.

a compression test or a leakdown test is about the only way to tell if the rings are good. or you could measure the ring's endgaps and see if they were correct from the beginning.

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