Porsche Doc, fuel rating?
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Porsche Doc, fuel rating?
I have a 1980 911 sc.I have found that if I run it on anything other than Shell Premium 98ron unleaded it is harder to start andidles roughly. I only run it on 98ron fuel and have tried all the other brands with BP Ultimate 98 being the worst.Any theories? I forgot to mention that I'm in Australia and our fuel and brands may differ.
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