I have a 454 using stock radiator and electric fan. Fan comes on at 180 and truck temp runs around 195. I need the heat so the TBI computer wont throw a cold temp error.
The biggest problem is the electric fan is real loud pulling air thru the radiator and oil cooler.


N7GTJ
1961 Apache K20
View my Paddock Pool construction nightmare at http://www.paddockpoolsucks.com/