200 ci engine noise

Discussion in 'General Maverick/Comet' started by anthonyv90, Feb 2, 2013.

  1. anthonyv90

    anthonyv90 Member

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    My 200 ci in my 71 mav is making a popping noise when I step on the gas sounds like its coming out the mufflers
     
  2. 71gold

    71gold Frank Cooper Supporting Member

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    how many miles on the engine?
     
  3. anthonyv90

    anthonyv90 Member

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    It reads 55,XXX
    But it's way past that
    It started making that sound ever since I went up a hill last year.
    I was going 55-65mph then I started loosing speed(35-40mph) then why I pulled over it was ideling rough with a popping sound.
    When I got home I checked the spark plugs and the were all popped every single one.
    Ever since then the car hasn't ran the same
     
  4. Joe Dirt

    Joe Dirt BBF life

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    whats a "popped" spark plug look like?
     
  5. anthonyv90

    anthonyv90 Member

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    Last edited: Feb 3, 2013
  6. anthonyv90

    anthonyv90 Member

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    It's not my plugs that what each one looked like
     
  7. bigdan56

    bigdan56 Member

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    early guess first thing to mind jumped timing chain or stuck valve do compression check.
     
  8. doncomfort

    doncomfort MCCI Membership Director

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    Im also thinking jumped time.
     
  9. anthonyv90

    anthonyv90 Member

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  10. anthonyv90

    anthonyv90 Member

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    How do I set the correct time.?
     
  11. anthonyv90

    anthonyv90 Member

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    Bump bump bump
     
  12. doncomfort

    doncomfort MCCI Membership Director

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    If it did jump time, you will need to replace the timing set. You might be able to adjust the distributor to get it back, but it will just happen again.
     
  13. anthonyv90

    anthonyv90 Member

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    I'm going to get a timing set and a compression test kit like in an hour or two..
    Do I turn the dizzy clockwise or counter clockwise.?
     
  14. doncomfort

    doncomfort MCCI Membership Director

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    Im not sure. You should be using a timing light, then you can see which way you need to go. Its possible that you wont be able to turn it far enough. Someone elso on here can probably tell you more. But you have a repair to make. Checking the timing might tell you what that repair might be.
     
  15. Krazy Comet

    Krazy Comet Tom

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    That first plug is burned/shattered do to preiginition, there well could be pieces of the plugs embedded in the pistons, or burned valves and/or burned pistons... A leakdown or at least a compression test is in order...

    Classic example of why a engine should not be run under a heavy load if it is spark knocking, was over heated or the iginition timing was too far advanced... I'm betting the head will probably need to be rebuilt...
     

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