i tried it out last week and it was simply amazing. it definitely give the car some more juice. however, there is one issue about this process that still worries me. Correct me if i wrong, but if the enhancement is to make the car run better on 91 octane by changing the fuel timing, etc., would this increase the risk of the car running leaner? If so, the engine will tend to knock more often, and because the engine has a built-in knock sensor, would the car's ECU correct itself and revert the engine back to its original configuration? Then, ultimately, we would pay a whole lot for nothing. Anyone?
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