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BryanGHead

Engine oil for Volvo Penta 5.7 GXI-J

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I'm getting conflicting answers for this. From 10w40 synthetic to 10w30 mineral oil. Any suggestions and if not Penta what other brand do you suggest?

Bryan

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There should be no conflict ... the synthetic 10W-40 is what VP states in the engine manual.

The alternative often suggested by experts is Mobil-1 Synthetic SEA 15W-50. Search this forum for Mobil for more info. Many, including myself, are happy with this alterntive which seems to be a better or more suitable oil for our boats that are running at high RPM for extended periods of time.

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