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Recent content by castaway5670

  1. C

    Wide open throttle backfire

    "My 1990 omc 4.3 liter is abou "My 1990 omc 4.3 liter is about to drive me insane. The boat runs like a champ untill you get around the 4000 rpm range. Seems to backfire or pop through the carb. You can back the throttle off just a touch and it will pur like a kitten. Sometimes you can push it...
  2. C

    Tach not reading right

    "Hey guys i have 1990 sunbird "Hey guys i have 1990 sunbird with a 4.3 omc in it . I really dont no much about this boat, just picked it up recently. My question is on the back of the tach it has several different settings believe it shows 2,3,4,5,6. i would assume that it needs to be on the...
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