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Thread: GM vortec heads
          
   
   

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  1. #1
    305chevyboi is offline CHR Member Visit my Photo Gallery
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    GM vortec heads

     



    got the GM vortec head an i wanted to know would this help the 305 gain a lil more power an also thinkin bout the small 50 shot of nos

    here is the specs on the head i got from the shop..Combustion Chamber Volume (cc): 64 Intake Runner Volume (cc): 170cc

  2. #2
    BigTruckDriver is offline CHR Member/Contributor Visit my Photo Gallery
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    Sounds good.

  3. #3
    MI2600 is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 67 Chevy, 72 El Camino, 86 El Camino
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    The 64cc head will drop your compression. There are Vortecs for the 305 and I believe they are 58cc.
    I intend to live forever; so far, so good.

  4. #4
    Itoldyouso's Avatar
    Itoldyouso is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: '27 ford/'39 dodge/ '23 t
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    Yep, I am going to put a set of 305 Vortecs on my 350 vortec block. Not sure how much more compression it will give, but I know if you do the opposite your CR goes down.

    Don

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