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These cylinders are Nikasil coated. Takes a really hard hone to do it right. If the cylinder is in good shape, honing is fine.
Search youtube for honing Nikasil, Some guys just run a ball hone down for cleanup, but it's not the right way, according to the machinists. I think a lot do it that way, actually.
 

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If the cylinder is used it generally would need to be sent out and replated. I've found in my builds that the oem jugs get a slight indentation in them where the piston ring stops at TDC. These are obviously very high hour motors, but I imagine this happens to some degree in lower hour motors too. Honing this area would unevenly wear the nikasil. Ball hones work well in our motors to de-glaze the cylinders and get a fresh cross hatch, but I think a standard cylinder hone is asking for trouble.
 
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