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engine oil cahange


Vehicle Information: Model: 911 Carrera; Year: 1989; Body Type: Coupe; Engine (type, size, modifications): 3.2 L; Total Mileage: 84,000;

I recently purchased a 89 Carrera Coupe with 84,000 miles. The previous owner was using 15/50 Mobil 1. Would it be ok if I were to switch to a blended oil such as 20/50 Valvoline? Your input would be appreciated.

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