In JOC's 1961 "Complete Book of Rifles and Shotguns", page 147, he said he never found a better .270 load than 49.5 gr of IMR-4064 with a 130 gr bullet.
He used this load back in the 40's...once IMR4350 cam out he used that and once H4831 became available that's about all he used from then on.
