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Hone ONLY if replacing rings,,
Posted by KeithR (more from KeithR) on Fri, 21 Dec 2001 08:00:29
In Reply to: Question about cylinder honing:, Kyle, Thu, 20 Dec 2001 16:02:26
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The purpose behind honing or deglazing the cylinder walls is to establish a surface to "bed" in the new rings. The surface is not perfectly smooth, but is a finish specified in micro-inches. This finish is specified by the ring manufacturer. the new ring will wear in and the surface of the cylider will wear to mate correctly with the ring. deglazing is the first step if there is a oil or carbon film on the walls. then the correct hone is used to obtain the desired finish. There will be a wear in the cylinder walls of 1.5 to 2.5 10,000's of an inch during this process. Thats why when an engine is bored out, it is honed to 3 to 5 10,000's less than desired. The most you'd want to do with the cylinder head of is de carbon the piston top and the small build up at the top of the cylinder. I use a fine stainless stell brush. Put the cylinder you are working on about half way down in the bore and pour a spoonfull or two of motor oil in. after you scrape and brush the carbon, lower the piston. The oil will hold the carbon flakes in place so you can wipe them off. Use a rag dampened with oil.
posted by 209.164.2...
Posts in this Thread:
- Question about cylinder honing:, Kyle, Thu, 20 Dec 2001 16:02:26
- There are many divergent opinions...(more), Kyle, Fri, 21 Dec 2001 09:50:18
- Hone ONLY if replacing rings,,, KeithR, Fri, 21 Dec 2001 08:00:29 <-- Viewing This Message
- Don't think about honing if you don't take the pistons, Anders, Thu, 20 Dec 2001 16:21:22
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