can seafoam mess up my motor
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500, 472, 425, 368 Discussion, can seafoam mess up my motor in Cadillac Engine Technical Discussion; ok its been 3 days it runs like shit after i put the seafoam shit down the carb yes i ...
  1. #1
    1969cadillaceldorado's Avatar
    1969cadillaceldorado is offline Cadillac Owners Fanatic
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    can seafoam mess up my motor

    ok its been 3 days it runs like shit after i put the seafoam shit down the carb yes i might of put a little to much down the carb was trying to kill it but now it wont idle cant really rev it so what should i do?

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    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: can seafoam F up my motor

    pull out the spark plugs and look. They might be loaded up with schtuff.

  4. #3
    90Brougham350's Avatar
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    Re: can seafoam F up my motor

    Can't really use too much Seafoam, I usually use the whole bottle. I bet Apeman nailed it; your plugs got fouled when you poured it in, probably those years and years of carbon build-up just breaking loose.

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    1969cadillaceldorado's Avatar
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    Re: can seafoam F up my motor

    Quote Originally Posted by 90Brougham350
    Can't really use too much Seafoam, I usually use the whole bottle. I bet Apeman nailed it; your plugs got fouled when you poured it in, probably those years and years of carbon build-up just breaking loose.
    ok its wont idle but it revs ok i cleaned all the plugs but idk i guess ill change them

  6. #5
    Junkman's Avatar
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    Re: can seafoam F up my motor

    The best plugs to use in my opinion are Nippendenso, NGK, or Bosch. I have had nothing but trouble from Champions. AC are not much better. Change the plugs and I bet that the problem will go away. Usually does.... Junk...

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    Tailfin's Avatar
    Tailfin is offline Cadillac Owners Enthusiast
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    Re: can seafoam mess up my motor

    Unless it's different for the older engines, I'd stay away from Bosch. Those stupid Platinum +2/+4 shroud the spark.

  8. #7
    BluEyes's Avatar
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    Re: can seafoam mess up my motor

    Bosch also makes normal sparkplugs - anything other than a single ground strap is a gimmick and a waste of money. The spark can only jump to one.

    If you want better plugs, get platinums and don't worry for the next 100,000 miles.

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