Thread: What gas octan to use with 1998 grand prix gt v6 3.8L ?

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#1 Re: What gas octan to use with 1998 grand prix gt v6 3.8L ?
Fivefingerdeathpunch

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Turbo is the way to go.

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08-18-2012

Your manual will say 87, and your fuel door should say regular unleaded.

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1998, 38l, gas, grand, octan, prix

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