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older racer · 01-27-2016, 09:45 PM

we use to dribble bon ami, down carb on radial aircraft engines to help rings seat . it was bit smokey, lol. it was used as a last resort before engine was torn down. it would deglaze the bores?

01-27-2016, 09:45 PM	#61
older racer Member Join Date: Aug 2010 Posts: 212 Likes: 13 Liked 68 Times in 26 Posts	Re: Lapping piston rings we use to dribble bon ami, down carb on radial aircraft engines to help rings seat . it was bit smokey, lol. it was used as a last resort before engine was torn down. it would deglaze the bores?