While the photo above shows something ugly, last night activities all pointed to the positive. After marking each cylinder jug, I removed, cleaned, and measured each bore three places (top, middle, and bottom). All measurements were within spec – yeah! As I was pulling off the #3 cylinder, I discovered the outer compression ring had broken in half (see above photo). Fortunately, neither that cylinder nor any of the others showed any evidence of scratching, so since they’re not oversized, I’ll be able to re-use them and the current pistons. As mentioned before, however, they’ll need a re-hone to re-establish the cross-hatch that allows proper lubrication of the walls.
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