Thanks for the info folks. I'll take a look at what's available locally and go from there. The CAT was gone long before I owned the unit so I don't have o worry about contaminating it.
Hey. Had my 3FE rebuilt. The shop recommended using a high ZDDP oil in it. The highest ZDDP oil that I found is Lucas SAE Racing Oil at 3,130 ppm. It's a 20W50 oil though. Anyone using this stuff? Other recommendations? Thanks for the help.