4 or 6

[Y-Blockhead]

Originally Posted by Big hammer

H2O with antirust and pump lub will run 20-30 *F cooler than antifreeze, above 35 mph and fans slow the airflow through the radiator so that’s maybe why Ford went with the 2 bladed fans . Doing a good chemical flush of the cooling system would be what I would do first.

If that is true, it is a good thing I run Anti-freeze in my Town Sedan, otherwise it would be running 135°F, which is too cold for my liking.

A thing a lot of people don't realize is anti-freeze also raises the boiling point of the coolant.

What kind of oil is best again??