Camshaft Lube

hi, you have to use a cam lube on lifter bottoms and cam lobes. ARP has an excellent moly lube. crane has same stuff. it has to have moly disulfide it it. also if using shelf oil, add 1 pint of GM EOS to the oil . if you use 15-40 diesel oil , it has the zinc phophates needed for cam life. Comp cams ,calls for shell rotella 15-40 diesel oil with their cams. be sure to run motor at 2500 RPM for at least 10 minutes to break in cam/lifters.