Quote:
Originally Posted by GB SISSON
Here's pics of the three. I have searched EA and EAA for cam info, but zilch. The 8BA looks best, but the EAA not bad, The 8CM is out of the running as I see it. But then there's the Portland Swap Meet looming! Set up in my lathe with a dial indicator shows some runout. About .003.I would expect some at the 3 jaw chuck, but also at the tailstock. Middle a bit more.
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Cam grinder Pete will know for sure, but I believe the "EA" is the same grind as the EAB cam which came out in '53. From what I understand, it was the "hottest" factory cam.