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Thread: Custom intake 320..... your thoughts?

  1. #1

    Custom intake 320..... your thoughts?

    I have mention on here before I was looking into building my own intake for my 320 and here is the design. It will be made out of 11ga steel sheetmetal first time around. I may do a second one is aluminum or stainless later. The picture is a drawing with some dimensions but mostly just a visual. Runners will be rectangular till 1 inch before the head where the flanges will reduce it to the size of the intake port. The runners at the end are 1.5 inch square.

    Carb is rotated 90* with a divided in the intake to use it as a dual plane.

    What do you guys think?






    Thanks ken
    Last edited by handmedown40limited; 02-11-2012 at 08:31 AM.

  2. #2
    Forgot to mention. The primaries on the carb will be facing out toward the driver side, I think it will help low end airflow. And I was tryin to keep runner length and everything the same. Think it will work?

  3. #3
    You forgot the picture!

  4. #4
    Wierd the picture shows up fine for me on my phone and comp. It is a link to a picture in my hamb gallery. I will try again

    http://www.jalopyjournal.com/forum/p...ctureid=364476

  5. #5
    Link didn't work...


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  6. #6
    This is frustrating. I will have to fix it when I get home. Tryin to do it from my phone

  7. #7
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    Quote Originally Posted by handmedown40limited View Post
    Forgot to mention. The primaries on the carb will be facing out toward the driver side, I think it will help low end airflow. And I was tryin to keep runner length and everything the same. Think it will work?
    my thoughts

    I have always liked the mopar slant 6 'hyper pak' intakes, really woke up them 6,s.




    http://www.allpar.com/slant6.html

  8. #8
    http://www.jalopyjournal.com/forum/p...ctureid=364476

    One more try.

    I looked at your post about the slant six. I forgot that they had done that. I hope the link works... I need to pull my intake and double check my measurements and then I will start fabbing it up..

  9. #9
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    I don t understand the design ...
    I think straight 8 are torque engines at low rev .
    So it would need a small plenum and long runners.
    You have a big plenum and short runners ....
    Maybe I m wrong.

  10. #10
    My thoughts as well, that the plenum looks huge, with short runners, which is the formula for high RPM. I thing you'd have a lot of issues with fuel puddling, especially if it wasn't a heated manifold to help vaporize the mixture. I guess if you built it so that the plenum was real shallow it would help to keep the mixture velocity up.

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