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What kind of gas do you run?

Discussion in 'XJ Technical Chat' started by c_muck, Oct 12, 2010.

  1. jeffcoslacker

    jeffcoslacker Member

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    At worst, the effect of too high octane for the motor's needs is an effect similar to retarding the timing...which doesn't hurt anything, and lowers cylinder temps, but also deadens responsiveness and increases emissions at the same time.

    Won't hurt the motor though...
     

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