Posted by Clint Dixon [18.104.22.168] on Sunday, April 23, 2023 at 08:56:12 :
In Reply to: pressurized cooling system posted by Karl [22.214.171.124] on Saturday, April 22, 2023 at 21:59:24 :
The WDX-WM300 model civilian Power-Wagon was designed with a non-pressurized cap. The system was intended to keep the engine at the proper operating temperature during extended periods of stationary use when being used as a power plant, as well as slow moving use in farming, forestry, etc. Keep in mind that an overly cool engine is not efficient should that outcome happen.
If you have a NOS radiator, you probably notice that it is much larger than the normal radiators of the time that were intended for use in vehicles that were designed for commuting at speeds high enough to provide air flow through the radiator. The Power-Wagon, water pump, fan, fan shroud, radiator, radiator cap, overflow tank, and even positive crankcase ventilation system, were all designed to operator in unison in the harshest of conditions.
I doubt that you would ever be able to improve upon the system with the addition of a pressurized cap, that is assuming if you can even find one that will seal properly would probably render your overflow tank useless assuming your truck is equipped with one.
Not sure if 8 to 10 psi would cause damage to the soldiered seams of the radiator or not.
Just my two wheat penny's worth.
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