Vortec Cylinder Heads: The Definitive Guide

Discussion in 'Engine Topic' started by MikeM79, Jul 4, 2006.

  1. 1980RS

    1980RS Veteran Member

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    Just got done porting one of the 062's. I will try to post some pictures of the work, did not go crazy on them and yes I did watch the DV video again, glad I did as I was going to open up the intake pinch but David said to leave it alone as that will kill velocity in the port. Don't want to do that and DV is a pretty smart guy.
     
  2. 1980RS

    1980RS Veteran Member

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    20191113_110232.jpg 20191113_110342.jpg 20191113_110406.jpg 20191113_110139.jpg 20191113_110147.jpg Here are some pictures of the 1st head done. Can anyone spot the 15 cfm increase in the intake port? I am going to try a 50° valve job on these.
     
  3. biker

    biker Veteran Member

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    Looks good! Valve guide boss cleanup is the 15cfm gain?
     
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  4. 1980RS

    1980RS Veteran Member

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    Nope, feel free to try again though. :)
     
  5. G72Zed

    G72Zed Veteran Member

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    Maybe it's the chamber ??
     
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  6. djorgensen3

    djorgensen3 Veteran Member

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    Unshrouded the intake near edge of cylinder...? Laid back short side radius...?
     
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  7. 1980RS

    1980RS Veteran Member

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    Nope.
     
  8. 1980RS

    1980RS Veteran Member

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    Nope.
     
  9. 1980RS

    1980RS Veteran Member

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    I will give you all a clue, it's in the middle of the intake port.
     
  10. 1980RS

    1980RS Veteran Member

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    You can see it in this picture.
    [​IMG]
     

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