I wouldn't be worried about who made the blanks. Once a camshaft is ground, it is surfaced hardened with the Parkerization process. That is what makes, or breaks - a cam - along with how well the installation and break-in is done.
Back in the 70s, General Motors claimed that most of their cam-failures were caused by improper break-in at the factory, not a bad hardening process. True or not, who knows and who cares at this point. Back then, we usually repaired engines with replacement cams from Crane Comp., and few other aftermarket companies. I've never had, nor have I seen, a failure problem with any of the afermarket cams when done right.
But now adays? Can't say.
In regard to engine oil, even the automotive diesel oils have the ZDDP anti-cam-wear ingredients lowered for removed. Only the racing, tractor, or European oils still have it.
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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