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100 octane?

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Old 01-28-2009, 11:03 AM
  #1  
Stang562
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Default 100 octane?

One of my buddies has been wanting to put 100 octane on his car. His car is mostly stock. I kinda doubt it would run any better if that. Any thoughts?
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Old 01-28-2009, 11:53 AM
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jwog666
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it will do nothing for performance on a stock engine. you only need higher octane if you are running higher compression than stock, have your timing advanced, of are running forced induction.
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Old 01-28-2009, 12:26 PM
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Gary H
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He'll lose power. High octane is VERY slow burning. You want the lowest octane you can get without detonation.
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Old 01-28-2009, 12:41 PM
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yellowjacketfever
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he needs to be careful to not put to high of octane in his car, as it will knock out the 02 sensors....
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Old 01-28-2009, 12:42 PM
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genesis
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Thats true
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