I've rebuilt several engines with only New rings if the bore is less than about9 thousands oversize. I take the block in and have it honed. The machinist will hone the bore till it cleans up the bore to the same size from top to bottom. It is a waste of time to hone it yourself. Forget about those ball hones. They are a joke. The pistons might slap a little when you start it but it stops after the engine warms up and it doesn't seem to hurt a thing. Mine have been good for around a hundred thousand miles. Do you have a ridge reamer? You will need one to get the pistons out without breaking them. You also need some plastiguage to check if the crank needs to be turned. On small one cylinder engines, I've even ground the crank by hand, but that's a skill I won't get into now.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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