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308 oil question

4872 Views 7 Replies 7 Participants Last post by  Spasso
What do you recommend putting in a 308 GTSi QV? A friend had put in 10w30 and is having problem. I recommend he use 20w50, synthetic oil wouldn't you agree?
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I would first consider what environment / climate the car is operating in at the moment. 10W30 may be fine for Canada in winter, but not the Bahamas in summer!

In general. I would have thought that the 308 pre-dates the technology of 10W30-grade oils. I would agree that 20W40-50 (or maybe 15W-40) is better suited to the parameters the engine designers worked to. I'd check the manual & a Ferrari service department too.
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