Thread: Octane Question
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  #3  
Old 08-27-2001, 01:00 PM
LarryBible
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The reason you get by with regular is that part of the ignition control system on you car is a knock sensor. If knock is sensed, the ignition is retarded to prevent it. Retarding the ignition timing, decreases power and increases fuel consumption. This is the subsystem that has saved your engine.

Good luck,
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