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Octane?? 87 vs 94

Discussion in '94-95 5.0 - Specific' started by brob, Jul 24, 2007.

  1. Jul 24, 2007 #1
    brob

    brob New Member

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    What is the recommended octane level for the 5.0 engine.

    My Car didn't come with a instruction booklet so im not sure if it supposed to take premium or not. So ive been putting in regular.

    I don't what over pay for premium if its a waste. could you help me out?
     
  2. Jul 24, 2007 #2
    quickstang_1994

    quickstang_1994 Well-Known Member

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    With stock timing 87.
     
  3. Jul 24, 2007 #3
    brob

    brob New Member

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    Thats all i needed to know. Thank you.
     
  4. Jul 24, 2007 #4
    91paxmustang

    91paxmustang Guest

    Unless your car pings with 87 at 10 degrees. My 94 at 6 degrees would ping with 87. With 93, or 94 i can run between 10-14 w/o a problem