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Gas and Oil 700 1989

posted by  someone claiming to be Curt on  Wed Jan 7 12:10 CST 2004 [RELATED]

I'm new to the Volvo ownership club and I have a 89 740 GL with 148k. I have read several reports on gas and oil and I'm still confused. I have starting running 91 octane and my gas milage it better, are there benefits or drawbacks (besides price) to running the higher octane? And should I run synthetic oil? I have read a few websites concerning oils but still don't have a clear cut idea if I should switch to a synthetic and if so, any recommendations on brands?

Thanks






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New Gas and Oil [700][1989]
posted by  someone claiming to be Curt  on Wed Jan 7 12:10 CST 2004 >


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