[77 TRASHCAN]

Originally Posted by Schurkey

If those lifters were mine, I'd verify that they still have some crown. If they do, I'd pull 'em apart ONE AT A TIME for cleaning and inspection of the guts.

Assuming they look OK inside, I'd put a piece of exceedingly-fine sandpaper (1000 grit?) in the palm of my hand or on some firm closed-cell foam like a better-style water-ski life vest, twist the lifter foot against the sandpaper for about two seconds, wipe 'em off with a soft cloth perhaps with some solvent.

A friend of mine chucked some lifters in a drill press and made a jig to swipe the lifter bottoms, restoring the convex deal and improving the surface. David Brown 880 3 cyl diesel tractor lifters were never very common...