Quote:
Originally Posted by rich b
Are you saying a Sonnen pin hone does not make round holes in kingpin bushings?
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I had to google to see what a Sonnen Pin Hone was was. This is what I found
https://www.youtube.com/watch?v=j5UqmpMME88 which looks VERY agricultural to me. Those big end bearings are not likely to be square to the axis of the con rod nor round nor parallel. Hand held is not good enough.
Apart from the difficulty keeping square and parallel, the hole may be round if it was round before using that machine. As I said, a hone will not make an oval hole round. It will only follow the shape that was there before the hone was used.