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for winter use 5w30 for summer stay with either 5w30 or 10w30 for high-mileage id use a 10w30 high mileage oil DONT ADD TREATMENT ITS ALL HYPE!!!!!!!! for preformance id go either with syntec oil 5w30 or royal purple oil

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โˆ™ 2006-02-20 05:56:10
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Q: What kind of oil should you use in a 1992 Pontiac Firebird?
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