I see no reason to replace cam & lifters, If AFM lifters aren't being unlatched & latched all the time they should not fail to latch which if how they usually fail. Seen many gagets that plug into the data connector to disable AFM.
BC 1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc 1949 GMC 250 project in waiting 1960 C60 pasture art Retired GM dealer tech. 1980 - 2022
