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Message: [QUOTE="motometal, post: 428534, member: 24727"] regarding the comment on the bore being oval...keep in mind how hard the plating in the bore is compared to the piston and rings! You are correct that this is the area with the most force for sure. Unless the engine has mucho hours on it, I wouldn't think there would be much out of round. I think the theory with the cross hatching holding oil is debteable...other than that, the bottom line here is compression. If your rings seal well enough to have good compression, this is an indication they are conforming well to the cylinder AND the cylinder is probably holding enough oil to help the compression as well (cross hatch or no cross hatch). Maybe honing is the best, but not the most convenient thing to do on each rebuild. I can say I have put in a lot of top ends without honing, and the engines always had good power and ran great (shrug). [/QUOTE]