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Old 06-29-2019, 01:59 PM   #32
FlatheadTed
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Default Re: 59AB Cooling System Advice Needed from the Experts (not an overheating issue)

Not sure but its been said before ,the early Flatheads run with the fluid down and a air gap of about 2,1/2" =2-3 pints ,tha air in the systom never botheres it .I run 60 states (Experimental )it opens at a colder temperature but it doesn't mean it stays at that can go higher as the motor heats up but it wont go below that . A possible plugged Radiater will cause it to pump out the over flow though more so if your have high flow pumps ,it may cause a partial vacuum low pressure zone as the pumps try to suck from the bottom of the radiator (water boiling point is lowered with pressure ) farther exaggerating the problem .As previous said water expands with heat the hotter it gets the worse it gets ,That's what drives a steam train expanded water ,!
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Last edited by FlatheadTed; 06-30-2019 at 03:09 PM.
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