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Tom Wesenberg · 07-14-2016, 12:12 AM

If you pull the spark plugs and look at the tops of the pistons, those with worn rings and burning oil usually have clean edges around the top of the pistons.

I bought a NOS set of rings the other day for my 1950 Studebaker Commander, and the instruction sheet said the rings are fast seating and don't require cylinder honing.
I've seen that statement for some of the newer ring sets, but didn't know it went back to the 50's, which is when these rings appear to be made.

07-14-2016, 12:12 AM	#24
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Questions for engine experts If you pull the spark plugs and look at the tops of the pistons, those with worn rings and burning oil usually have clean edges around the top of the pistons. I bought a NOS set of rings the other day for my 1950 Studebaker Commander, and the instruction sheet said the rings are fast seating and don't require cylinder honing. I've seen that statement for some of the newer ring sets, but didn't know it went back to the 50's, which is when these rings appear to be made.