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Technical Help need info on man-a-fre intake

Discussion in 'The Hokey Ass Message Board' started by WDO40, Jun 15, 2014.

  1. WDO40
    Joined: Jul 22, 2007
    Posts: 166

    WDO40
    Member

    image.jpg image.jpg image.jpg
    Any information you can provide, I know its a big block chevy.
     

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  2. sunbeam
    Joined: Oct 22, 2010
    Posts: 6,214

    sunbeam
    Member

    hi horsepower 409
     
  3. WDO40
    Joined: Jul 22, 2007
    Posts: 166

    WDO40
    Member

    I believe it's a 396 ,427 big block Chevy . It's the big 2 barrel carbs would like some info on how they performed maybe see pictures of some on motors
     
  4. Man-A-Fre is still around, selling Toyota off road stuff. Why not give them a call. They might know
     

  5. saltflats
    Joined: Aug 14, 2007
    Posts: 12,594

    saltflats
    Member
    from Missouri

    If you get the carbs from him for that you better hang on man.
     
  6. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    loudbang likes this.
  7. ROADSTER1927
    Joined: Feb 14, 2009
    Posts: 3,127

    ROADSTER1927
    Member

    Check the size of the distributor hole, a 409 is bigger than a regular big or small block. REALY COOL! Gary
     
  8. That may display a Man A Fre emblem but the
    Manifold looks Frankenstein-home brew to me.
     
  9. Looks like someone added a plenum on top of the original carb mounts
     

    Attached Files:

  10. tommy
    Joined: Mar 3, 2001
    Posts: 14,757

    tommy
    Member Emeritus

    [​IMG]
    Home brew with that mounting hardware and the non finished welds. JMO
     
  11. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    For the guys that say home brew.... I can see man-e-fre doing some real homebrew, especially in the experimental stages.
     
  12. saltflats
    Joined: Aug 14, 2007
    Posts: 12,594

    saltflats
    Member
    from Missouri

    We ran one of his 2 jets it looked bad but ran like na scalled dog.
     
  13. WDO40
    Joined: Jul 22, 2007
    Posts: 166

    WDO40
    Member

    I just picked this thing up at the swap meet in bowling green at the hot rod reunion this weekend the man I got it from has had it for a long time he swears it is an original piece not made up but I agree it does look that way. It is for the big base carbs I would like to add adapters to change it to the small base carbs
     
  14. saltflats
    Joined: Aug 14, 2007
    Posts: 12,594

    saltflats
    Member
    from Missouri

    As large as that is it will probably run better with the big 2 jets.
     
  15. Mike VV
    Joined: Sep 28, 2010
    Posts: 3,029

    Mike VV
    Member
    from SoCal

    Agreed, that is not an original Man-a-fre intake.
    And as the designer/manufacturer told me, these are NOT manifolds (per the meaning of word "manifold") these are "plates" as he told me when I was at his house MANY years ago learning how to setup and run this thing from the designer, (sorry, don't recall his name).

    While the above crossram is interesting, an original Man-a-fre, it isn't. BUT, this guy liked messing around. So it MIGHT be something that he experimented with.

    Just like making the old GM carburetors flow more. The main body was opened up by removing the center and filling the open areas with epoxy (JB-Weld) and recontouring the center to keep the ventury effect. Then there was two ways of finishing the project. Make up an oval butterfly plate or doing some grinding of the base plate and use the original butterfly plates.
    I did both, both worked to increase flow, both were a lot of work..!

    Mike
     
  16. ROADSTER1927
    Joined: Feb 14, 2009
    Posts: 3,127

    ROADSTER1927
    Member

    The hole for the distributor on my 409 is 1.696 check yours, it looks 409 to me. Have you mated it to a big block head? Gary
     
  17. Mike VV
    Joined: Sep 28, 2010
    Posts: 3,029

    Mike VV
    Member
    from SoCal

    Appears normal small/big block to me.

    Despite rumers to the contrary, unless it was like this intake possibly is (one off custom), the Man-a-Fre guys never made an intake for the 348/409.

    Mike
     
  18. fordsbyjay
    Joined: Nov 4, 2009
    Posts: 752

    fordsbyjay
    Member
    from Lafayette

    Last edited: Aug 20, 2014
  19. fordsbyjay
    Joined: Nov 4, 2009
    Posts: 752

    fordsbyjay
    Member
    from Lafayette

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