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Thread: carb ?
          
   
   

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  1. #1
    JeffB2's Avatar
    JeffB2 is offline CHR Member Visit my Photo Gallery
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    Jun 2007
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    Phoenix
    Car Year, Make, Model: 1954 Ford Customline 5.0 & AOD
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    443

    Holley tuning

     



    Because of the cam change I would try going down one or two sizes on the power valve,also down two sizes on primary jets,should put you in the ballpark.

  2. #2
    erik erikson's Avatar
    erik erikson is offline CHR Member Visit my Photo Gallery
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    Aug 2004
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    clive
    Car Year, Make, Model: BLOWN 540 57 CHEVY
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    Quote Originally Posted by DennyW
    I think Jeff hit it. Sounds like you got the wrong power valve installed for the cam you have. Check the vacuum at the intake manifold and see what it is.
    If it back-fired that will blow the power-valve.

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