1960 Corvette, 270 HP. I recently installed new Dewitts top tank radiator, radiator cap(15 psi) and thermostat. I am still having the same problem that I had before these changes. On initial startup, cold engine, I drive the car and temperature needle slowly rises to 220 degrees. Thermostat opens and engine temp drops to about 160 degrees and stays there all the time I am driving. If I stop for awhile and drive again the temp is fine. Any thoughts or suggestions on why I see the high temperature only on initial startup?
Thanks in advance for your help.
Thanks in advance for your help.
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