87 or 89 Octane Gas in Pacifica

Discussion in 'Pacifica' started by rfuqua, Jan 16, 2008.

  1. rfuqua

    rfuqua Guest

    Does anyone in the group put 87 octane gas in their Pacifica. If so,
    how is the performance. Thank you.
     
    rfuqua, Jan 16, 2008
    #1
  2. rfuqua

    Dll Guest

    What is in the owner's manual?

    I doubt anyone here has a dyno to measure a difference. Therefore, all you
    will get is an emotional or otherwise worthless opinion.

    N
     
    Dll, Jan 16, 2008
    #2
  3. rfuqua

    maxpower Guest

    hmmm. 87 octane fuel is the only recommended fuel for this vehicle. The use
    of a higher octane fuel could cause drivability problems in the long run.
    Over a period of time High octane (slower burn) fuel could leave deposits on
    the pistons and cause stalling, hesitation and even pinging problems. Just a
    thought

    Glenn Beasley
    Chrysler Tech
     
    maxpower, Jan 16, 2008
    #3
  4. rfuqua

    Vaughn Guest

    The 3.5L 250HP engine requires 89 octane fuel in my manual.
    87 is okay but they recommend mid-grade.
     
    Vaughn, Jan 17, 2008
    #4
  5. rfuqua

    maxpower Guest


    You didnt specify year, I looked up 2005 and 2007, it stated 87 octane
     
    maxpower, Jan 17, 2008
    #5
  6. rfuqua

    Vaughn Guest

    I have an 06 Charger SXT with the same 3.5L and it says to use 89.
     
    Vaughn, Jan 18, 2008
    #6
  7. rfuqua

    maxpower Guest

    That is true, that application specifies 89 octane
     
    maxpower, Jan 18, 2008
    #7
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