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5W-40 viscosity grade

Engine

Vehicle Information: Model : 997; Year: 2007; Mileage: 22,000;

At the last oil change my dealer used 5W-40. 0W-40 is recommended by Porsche per the Mobile advertising insert that came with the car. What is your take on 5W-40 versus 0W-40? Until the next oil change can I top off with 0W-40? I live in South Florida and use my car daily.

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