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Thread: Water pump question
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03-14-2011 #1
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- Feb 2007
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Water pump question
I'm looking at the water pump on my LS3 and It looks like the side with the thermostat is the pump input. It is the lower of the two ports. It is also the larger of the two ports. It is 1.5 inches and the upper port is 1.25 inches. Is this correct? Is it the opposite of the old SBCs?
Is the heater core supply the 1.75 inch port and the return the 1.5 inch port?
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