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  1. #1

    Default Omc Cobra 4.3 engine wont start just back fires

    Hi Guys having issues trying to start the motor. Its
    a 4.3 chevy v6. The boat is a 1990. Distributor. Cap. And wires thad been
    Removed placed them back 123456 with each spark plug wire matching the
    Same cylinder number. Just back fires. Need help getting it to start thanks
    Any ideas to fix this is greatly appreciated

  2. #2
    Join Date
    Apr 2010
    Posts
    3,647

    Default Re: Omc Cobra 4.3 engine wont start just back fires

    Get a factory service manual for it and go from there.

  3. #3
    Join Date
    Dec 2006
    Location
    Chaumont Bay, N.y., USA
    Posts
    5,142

    Default Re: Omc Cobra 4.3 engine wont start just back fires

    placed them back 123456 with each spark plug wire matching the
    Same cylinder number.
    Ayuh,.... That's a real Problem,....

    Firin' order of the 4.3l is 1,6,5,4,3,2,....
    Any Grease is Better,... Than No grease at All....

  4. #4

    Default Re: Omc Cobra 4.3 engine wont start just back fires

    Thanks Guys for the input problem resolved. Tdc timing mark on harmonic balancer
    All lined up.distributor off 180 facing opposite direction . got it facing 1 and it fired up

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