Quote:
Originally Posted by lkchris
I think it safe to assume Boxster cooling was thoroughly tested by Porsche.
Good to understand that a sustained high-speed Autobahn run will get the engine hotter than any other sort of use. Basically, it's more fuel burned equals more heat. Not a lot of heat generated idling, but plenty generated at sustained high rpms. Electric fans are lots better than the attached-to-the-water-pump fans of old mericun iron---where the fan runs at idle speed, too. Apples and oranges.
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I believe that burning fuel, actually helps to keep the engine cooler, and a lean mixture will quickly overheat an engine (and put a hole on your piston..), this is a well known fact on aviation engines
Also believe that be cruising at top speed is much better for the engine than sitting in a traffic jam on the middle of the summer with the AC on and without proper airflow.
However, this conclusions are from my own observations and I am no an engine expert by any means...