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Re: Engine running too cool
Quote:
Originally Posted by JMD
Where is the stock sending unit location? If I understand the cooling system correctly, there shouldn’t be any coolant flowing through the upper radiator hose until the thermostat has opened. So if the thermostat is stuck open and I start the truck after it’s been sitting all night, I should feel coolant moving through the upper radiator hose, right?
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Correct. You will feel it getting warm way before the 180° is reached.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent.
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