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Technical Y Block Intakes

Discussion in 'The Hokey Ass Message Board' started by OzyRodder, Apr 23, 2014.

  1. OzyRodder
    Joined: Dec 11, 2012
    Posts: 273

    OzyRodder
    ALLIANCE MEMBER

    Does anyone know if there is a difference in Y Block intakes.
    I understand Pre-57 have smaller ports on the heads and later ones have big ports. Do the later intakes work on all y blocks or early intakes work on later engines. Clearly the ports may not match but an early intake might be able to be port matched to the larger ports.

    I have a buddy searching for a tripower intake for a 312 in his 56 F100.


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  2. 57Custom300
    Joined: Aug 21, 2009
    Posts: 1,263

    57Custom300
    Member
    from Arizona

    The very early ones for the 239 & 256 don't fit on the later ones but some guys have been able to make them work. The 3x2 manifold you want for the 312 is an Edelbrock 357 or a 353. If you search the yblocksforever site, Ted Eaton did a very good comparison test on all the 3x2 manifolds available for the yblock. One thing for certain is to stay away from the Offenhauser manifold.
     
    Last edited: Apr 24, 2014
  3. OzyRodder
    Joined: Dec 11, 2012
    Posts: 273

    OzyRodder
    ALLIANCE MEMBER

    Found an Edelbrock 573 which is apparently the best to use. YBlocks forever has some great info!


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