just got june 2006 hot rod . page 124 . good 4-5 page article on old/new oil and relationship to cam/lifter wear problems etc . good sources and pretty interesting reading . by all means check it out . i knew that some day there would be a good reason to run 20w-50 again . just bought three swap meet cases of valvoline 20w-50 racing oil for $10 a case . it was goin' like hotcakes . ahhh - the old days . del
