Thread: Porsche Classic Gear Oil
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Old 02-07-2024, 08:32 PM   #9
Bush Pilot
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Join Date: Jul 2022
Location: Tucson, Arizona
Posts: 79
I would use the Mobil 1 Synthetic GL-5 oil. I’m sure the Porsche branded oil is good too but probably not any better than the cheaper Mobil stuff.
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