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Octane question

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New here, apologize if this has been asked. I read that 91 octane is the recommended fuel.

My local station carries 93 octane and 89. Should I mix the fuel or find a new station that sells 91 octane or just use the 93?

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Buy 93 octane from the busiest name brand station in your area. Chevron if you can get it.

I usually get my fuel from a Valero and use the 89 octane in my bmw and SRX cadillac. They carry the 93 octane as well. I am in nowhere arkansas and there are alot of generic fuel stations that I avoid. I usually go to the Valero because its brand new and I assume the tanks are still fairly clean.

I will try to fill up along the interstates at Chevron when I find my way out there.

Thanks for the tip!

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