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Old 07-19-2018, 11:26 AM   #46
Scoutboy74's Avatar
Join Date: Apr 2008
Member Number: 453
Location: Daze Crick, Jefferson
Posts: 3,950
Default Re: 1965 D1100 4x4 driver/project

An optimized cooling system is one that first allows the engine to reach normal operating temperature fairly quickly and then allow regular up/down fluctuation throughout a safe range during all driving conditions. The safe operating range for these engines is roughly between 170 and 205. Anywhere between 180 and 195 is ideal. Coolant temp must rise above 160 to begin cooking off the condensation that accumulates in the crankcase. Running too cool really isn't advantageous and can actually be harmful in the long run. The radiator, shroud, fan blade, water pump, and thermostat are all vital pieces of a cooling system capable of maintaining a "goldilocks" temperature scenario.
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