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Originally Posted by Steve Tinker
The can of worms is about to be opened....209,000 miles on a non Porsche approved oil!!
Jager,
I've not read one thread advocating that viscosity of oil, even in cold climates. I'm not saying its the wrong viscosity (I believe oil flow is probably better than oil pressure, but I'm in a minority).
More details of how long you have owned the car and how long the engine has been fed a diet of 5W30 oil is required.....
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The Porsche approved viscosities are probably for a wide range of operating conditions particularly aggressive driving. I am going to take a stab here and ask if the 5w-30 fed boxster is ever tracked much?