454 not firing on right bank
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454 not firing on right bank

  1. #1
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    Default 454 not firing on right bank

    My 454 is not firing on the right bank of cylinders 2,4,6,8. The boat runs just on the left bank 4 cylinders. (all individual manifold pipes on this side where very hot). The right side header was cold? I checked firing order and wires and they are correct. I checked a for spark on a couple of the non firing cylinder and its present. The question is it firing at the right time. I appreciate your help!!

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    Push rods missing from that side?
    Mice built nests in the intake runners?
    All lifters collapsed?
    Right side is operated by union workers?

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    Push rods missing from that side? no clue
    Mice built nests in the intake runners? how do the get in there with a carb on?
    All lifters collapsed? how does a lifter collapse? what does it look like when it does?
    Right side is operated by union workers? damn union workers
    Would you suggest taking of the valve cover?

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  6. #4
    Senior Member Chop Shop's Avatar
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    Compression test next please.

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    i was afraid of that. compression tests scare me!!

  8. #6
    Senior Member 2002CP19's Avatar
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    It's a chevy thing...
    Quote Originally Posted by schick View Post
    Hold it firmly on the ground, a few pelvic thrusts should do the trick. If not repeat till satisfied!

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    whats a chevy thing? So could compression by low on all right bank cylinders? that seems hard to believe?

  10. #8
    Senior Member jetboatperformance's Avatar
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    Huge Vacume leak maybe ? any carb throttle body base plugs blown off from a backfire? recent intake gasket replacement ?
    Always start with basics , pull the plugs and read them , run compression , check for the obvious not the exotic ...

  11. #9
    Senior Member 2002CP19's Avatar
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    Quote Originally Posted by dremmick View Post
    whats a chevy thing? So could compression by low on all right bank cylinders? that seems hard to believe?
    Misfiring, rattling, leaking oil, blowing up, spinning main bearings, ect,ect...



    FORD POWER!!!
    Quote Originally Posted by schick View Post
    Hold it firmly on the ground, a few pelvic thrusts should do the trick. If not repeat till satisfied!

  12. #10
    Senior Member Sleek Freak's Avatar
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    are you getting water through the exhaust headers on both sides or just one? hard to believe your motor will start on only 4 holes.

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    not sure of a vacuum leak im not so knowledgeable with V8's. Carb was just professionally rebuilt, before rebuild engine would not start carb was dumping fuel into engine and instantly flooding engine.

    The boat has basset headers and the valve is closed so water can not enter headers.

  14. #12
    Or Seth, either one Budweiser's Avatar
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    Default Need to know much much more to get you where ya wanna be. Questions questions questio

    Have you ever seen the boat run properly? If so, when was the last time it ran well?
    Does it have a single plane or dual plane intake manifold (or t-ram)?
    What type of carburetor/s?
    What type of ignition? points, HEI, MSD, etc.
    How old are the cap and rotor?
    What did the spark plugs look like when you had them out?
    What type of exhaust?
    Do you know when the engine was assembled?
    Has the cam been replaced recently?

  15. #13
    Senior Member 2002CP19's Avatar
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    Float level out of adjustment??

    Not getting enough fuel?
    Quote Originally Posted by schick View Post
    Hold it firmly on the ground, a few pelvic thrusts should do the trick. If not repeat till satisfied!

  16. #14
    Or Seth, either one Budweiser's Avatar
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    Quote Originally Posted by Chop Shop View Post
    Compression test next please.
    +1

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