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Thread: 454 Compression ratio -- small cc head or domed piston
          
   
   

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  1. #1
    acechev55 is offline Registered User Visit my Photo Gallery
    Join Date
    Nov 2005
    Location
    west chicago
    Car Year, Make, Model: 55 chevy h.t.
    Posts
    2

    Well my thoughts are the more fuel/air you can get in you cyclinders
    the more H.P. your make. I would go with 110 cc head with the dome pistion if I could afford it.

  2. #2
    Grumpy 427's Avatar
    Grumpy 427 is offline CHR Member Visit my Photo Gallery
    Join Date
    May 2006
    Location
    Regina canada
    Car Year, Make, Model: 1977 camaro
    Posts
    65

    Oh sorry. yes i agree the open chamber head will flow way better than a closed chamber head.
    9.65 @ 137 MPH 1.39 60' More left in the car.

  3. #3
    jkferrell is offline CHR Member Visit my Photo Gallery
    Join Date
    Jun 2006
    Location
    wheaton
    Posts
    7

    Edelbrock claims the flow on these two heads is exactly the same. They call the chamber a semi-open design.

    Thoughts?

    Jim

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