why do cams go flat?? if any one can come up with the answer they will be very rich. in the 70's so many cams were lost we would start them and break them in with old valve springs then change over to the good springs. and it was not only new cams either. i had more then one motor come in with the lobe gone after 15,000-20,000 mi. most were #5 exhaust lobe on a sbc but then i had one where #2 intake went.
is it bad cams? bad lifters? who knows? maybe there is a bad run of cams or lifters now and then. but who can prove it. the cam companies say it is the oils fault. the oil companies say the oil meets spec.
all i know for sure is the guy at the end of the line, as in you and me get the short end of it.
