The cast iron body points distributor and seeing little wear is what Camaro Dave was also saying. Me thinks a better bushing material is the key not the grease, or maybe a combibation of both?
Makes a guy wonder if he took two distributors, replaced the bushings and used good shafts with one filled well of grease (and holes drilled) and the other the other just a smear of grease on the shaft during install, if there would be any difference in overall wear?
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All bushings are of a compound that doesn't need direct oiling/grease lubrication, MIST lube, as in air/oil in the crank case is sufficient to lube the bushings/shaft
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Also, I never did suggest running a dry top bushing. The top bushing grease well focus seems like it could be splitting arse hairs as my uncle would say. The ol warm fuzzies not an ROI.
Not checking the bushing to shaft clearance or manufacturing quality before commie distributor seizing makes the lack of grease being the cause just a guess really. With everything the commies get wrong are we now assuming their machining, part quality, and installation are correct and that grease would have had that distributor bushing/shaft/housing live a long trouble-free life?
I run all dull body distributors but guys around town have the shiney lifetime warranty ones in service for years and have had no issues. Makes a guy wonder...