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Question: Using an octane rated higher than your vehicle______.


  1.  will increase your vehicle's value
  2.  gives it more power
  3.  will burn your cylinder heads
  4.  does not increase power

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4. does not increase power

Using an octane rated higher than your vehicle does not increase power.


Octane ratings are measures of fuel stability. These measurements are based on the pressure at which the fuel will automatically burn (auto-ignite) the test engine.

The higher the octane number, the more stable the fuel.

A common misconception is that high octane is equivalent to higher power.

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