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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'83 K20-TPI
'73 C10
'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
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