Holley 4555 rebuild kit

Discussion in '1970 - 1973 Specific' started by Eaglefixer, Aug 10, 2017.

  1. Eaglefixer

    Eaglefixer Veteran Member Lifetime Gold Member

    1,574
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    Feb 25, 2002
    Warner Robins, Ga
    Just tried to drive my 1970 Z28 and noticed it wasn't running right. I Popped the hood and found fuel all around the bottom of the front bowl and accelerator pump. I did turn the 4 front bowl bolts 1/4 turn but want to just replace the gaskets and pump. Do i get a kit for a 4160 Holley or is the another one i should get?

    Thanks
     
  2. COPO

    COPO Veteran Member Lifetime Gold Member

    15,853
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    Sep 15, 1999
    Ontario, Canada
    You can buy a small kit or by the parts separate.
    I buy from Summit.
     
  3. CorkyE

    CorkyE Veteran Member Lifetime Gold Member

    8,813
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    Nov 4, 2004
    Ringgold, GA
    If all you're replacing is the bowl gasket, just about any parts store will have an individual blue Teflon gasket. For larger orders, I'm also on Summit or Jeg's.
     
  4. restore-z28

    restore-z28 Veteran Member

    228
    18
    Jul 4, 2010
    Vancouver, BC
    You need the kit for the 4150 not the 4160, the 4555 list is a 780 CFM. Agree with Mark and Corky about getting the one gasket you need locally versus buying the whole kit.
     
    Last edited: Aug 10, 2017
  5. Eaglefixer

    Eaglefixer Veteran Member Lifetime Gold Member

    1,574
    1
    Feb 25, 2002
    Warner Robins, Ga
  6. Eaglefixer

    Eaglefixer Veteran Member Lifetime Gold Member

    1,574
    1
    Feb 25, 2002
    Warner Robins, Ga
    should i go with the Holley Accelerator pump Diaphragm 30 cc pump or 50 cc pump?
     
  7. CorkyE

    CorkyE Veteran Member Lifetime Gold Member

    8,813
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    Nov 4, 2004
    Ringgold, GA
    Unless someone has changed it; 30 cc.

    Beginning to sound like you just need to get a complete rebuild kit. If one or two gaskets are starting to leak, won't be long before the rest do.
     
  8. COPO

    COPO Veteran Member Lifetime Gold Member

    15,853
    164
    Sep 15, 1999
    Ontario, Canada
  9. CorkyE

    CorkyE Veteran Member Lifetime Gold Member

    8,813
    133
    Nov 4, 2004
    Ringgold, GA
    Wow, those things have really gone up in price. :eek:
     
  10. Eaglefixer

    Eaglefixer Veteran Member Lifetime Gold Member

    1,574
    1
    Feb 25, 2002
    Warner Robins, Ga
    Ok Guys had something strange happened while removing my Carb this morning. I disconnected all the vacuum lines and return spring. Then i unscrewed the fuel lines at both bowls. Removed the 4 mounting nuts and started to remove the carb from the intake. As i was removing the carb up and away from the fuel lines i started to see Electrical Arcing at both fuel lines at carb. Scared the Crap out of me then I could see smoke coming from the end of the fuel lines. I dropped the carb back down and put rags over lines. Thank God there was no Fire!!
     

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