I've got the 5 blade fan off the '59 C60 my 261 came out of. 1st season w/ a/c I had no issues. OE radiator, no shroud or electric fan. If I was in an urban area w/stop & go traffic, that might be different.
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
