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Re: Premium Fuel in AZ
 Only if I had a dollar for everyone of these threads that are started...
Seriously...I would run whatever does not cause a spark-knock (ping), if you experience pinging, then upgrade. Personally, I only run 93 (Shell V-Power), as it consistently gets a couple MPG's better mileage (for my commute) and the FJ runs really well on it! 
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'07 Sun Fusion 4x4 A/T, Rear Locker, A-Trac, TRD CAI, Roof rack, Horn Mod, Brush Guard, PIAA 520's
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