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Hone cylinders when reusing old rings?

And a word of advice, use a good quality break in oil after a rebuild or after a fresh top end.
I made the mistake of running regular oil after I rebuilt my 375 HP 327 years back. I went through it top to bottom with new everything, and I put 10W40 oil off the shelf in it, and drove it. Rings never seated, and I wiped out the cam after less than 50 miles.
After that EVERY time I rebuilt an engine, no matter if it was a bike or ATV engine, or a car engine, I put break in oil in it, and went by the manufacturers specs, and haven't had a failure yet.
And yes I know oil is a lot better than back then, but it's still good practice to do it right the first time. That way there is no need for a teardown.

Old type American V8's are known to wipe out cams if you don't break them in carefully. High zinc/phosphorus oil never hurts.
 
I thought the bores had taper, were out of round, and had the funny wear pattern? A ball will not fix any of that.
Okay, no more comments.
G
 
I thought the bores had taper, were out of round, and had the funny wear pattern? A ball will not fix any of that.

No but if the rings seal it will run fine anyway, at least for a while. All of the high mileage bikes going down the road probably have similar bores. Most of them run fine.
 
What kind of a hone is needed if all I want to do is de-glaze and cross hatch some nicasil cylinders. I am installing some new rings in a 2004 gsx-r 1000. I have all the Sunnen hones you mentioned and I tried using them and they won't even start to make a mark on these hard plated bores. What's your solution to this problem? I have tried purchasing some ball hones for nicasil cyls and were either out of stock or went on back order from Goodson supply. Do you know another place to get them? I have used #80 grit emery cloth with minimal results in some dirt bike engines I have rebuilt. But with a lot of time and patience I was barely able to scratch the surface some. I tried to start a new thread about this matter but the site would not let me this was my next best alternative. Sorry if I'm a bit off subject.
 
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