What is the normal operating coolant temp for a 1984 corvette?
The factory OEM thermostat is set to open at 195 degrees. The radiator fan is set to run at 225 degrees and only under 35mph. A normal temperature range is 185 to 225. Service should be performed if operating temperatures reach anything above 230 degrees for any extended length of time.
Located in a removable housing at the engine end of the upper radiator hose Drain about 1 gallon of coolant from the radiator Remove this housing Make note how thermostat is installed Clean both ssurfaces Replace thermostat and gasket Re-install Re-fill coolant slowly to prevent an air lock Start engine and look for leaks Run engine to normal operating temperature with heater on Re-check coolant level