Agreed, Forced Induction....Agreed....
But I still find it interesting why Dad's 617.952, which logged 194,000 miles with no thermostat at all, had such minimal cylinder/skirt wear that it could have been re-ringed back to standard.
Here in Visalia, the summer temps are well over 100°F and when I was working at the dealer, we put the 60°C thermostat in everything, since either one could be easily obtained. We never had a complaint about a reduction in fuel economy or a power loss either.
Since both a 60°C and 85°C thermostat is available, I would suggest the 'correct' device is the one that gives you the most satisfactory heater performance, based on your climatic conditions...Robert
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