im getting an xp-90 tommorow, from reviews i have noticed it has a bunch of concentric circles on it... i also notice it is nickel plated.. which is allright cause that helps against tarnish.. anyways would lapping it all the way to the point where its just copper and the nickel is gone be good?
to those who have done this: what were the temps before and after? was it worth it you say? what grits you used?
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