LS1 5.7 2001 Water Pump hose fittings
06-02-2014, 10:05 PM
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Staging Lane
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LS1 5.7 2001 Water Pump hose fittings Which water pump fitting (pass side of block) is the heater return line from the heater core...the smaller or larger one? I'm installing a Vintage Air unit and I'm ready to start the plumbing. Thanks in advance for your assistance!
