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Thanks for the advice. This is a class b Rv so the package came with a high lift RV cam. The first go around the rebuilder, a local high volume outfit, recommended Rotella T4 as the break in oil, I did not blink, followed their suggestion and ate the cam within 250 miles after the high rpm break...

I’ve just installed a remanufactured Ford 460 with stock flat tappet lifters and cam in my 1989 race hauler. Break in seems to have gone well with Royal Purple break in oil 10-30. I have about 300 miles on the engine now and getting ready for the first oil change. Should I still be pursuing a...