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Old 03-06-2023, 11:03 AM   #9
MARKDTN
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Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,197
Re: 68 needs new motor, should I replace the radiator?

Yes, a 30 year sitting radiator should be replaced or re-cored. Also new water pump and thermostat. Use antifreeze. I have never understood straight water in something that wasn't a race car. Straight water freezes and bad things happen as you see. Be sure to follow the cam break-in instructions if it has not been broken in yet.
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