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Re: Heater core bypass question

Subject: Re: Heater core bypass question
by rgrinder on 2022/6/9 15:36:49

You have it backwards the lower radiator hose is the suction side, remember heat rises so the discharge will be at the upper hose, that's why the thermostat is in the cylinder head. They didn't change to reverse flow until the 90's.
Leave it the way it is it won't do any damage.