If you managed to get it home, it's very likely that you'll get away with just a piston and rings. I've seen a number of barrels clean up, and the plating is rock hard, so it's often not damaged by a light seize.

I have to say, I've never ever seen an oil pipe come off in 15 years! I suspect it wasn't actually fitted all the way on to the union. Their length, shape, and their relative inflexibility means they can't really move around much (if at all!) once in place.
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Andy.
NSR-WORLD.COM

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