Tim hit a subject which many miss, fan & shroud.
The location on the fan in the shroud has a huge effect on air flow thru the radiator.


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