Re: 71 350 running hot coolant backup up problem
OK, let me do the TL;DR version-
You have a new water pump, new radiator and new thermostat. Is this true? If so, check for a blown head gasket/cracked head, etc.
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~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
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