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Old 05-09-2001, 12:55 PM
rbauman rbauman is offline
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Join Date: May 2000
Location: Boise, Idaho
Posts: 80
I've really enjoyed this discussion. If I can summarize my understanding, cooling of the cylinder head is the point of water wetter. The radiator temp (the car gauge that will rise to thermostat level) is our readout and can be a symptom of cylinder head temp. The only reason to run some anti-freeze in the summer is the possibility of A/C freeze up and increase system max temperature with a pressurized cap. Water Wetter should lower the cylinder head temp in proportion to the amount of water in your radiator system. The only question I see unanswered is the "plastic radiator issue" and its relevance to long term radiator replacement. Are the radiators constructed with the same materials now? I thank BillW, Scott and JimF for their thorough input.
1983 300CD 246k sold
1998 C230 52k
1980 450SL 75k needs AC
1999 Subaru Outback Ltd 43k
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