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Technical Question about offy intake

Discussion in 'The Hokey Ass Message Board' started by Diavolo, Dec 19, 2015.

  1. Diavolo
    Joined: Apr 1, 2009
    Posts: 810

    Diavolo
    Member

    I just got my Offy 4 bbl intake in the mail and I was checking it out. Apparently, only 6 bolts on each side actually go to the block. There are a bunch of extra bolt holes that look like they belong but they don't go anywhere.
    Is this right? Should I just bolt it up with the holes that go to bolt holes and just go with it? The order is for 49-53 intake and I can only assume I got the right one but is an older style intake going to have a different pattern?
    Any feedback is appreciated.
     
  2. AVater
    Joined: Dec 9, 2008
    Posts: 2,227

    AVater
    ALLIANCE MEMBER
    1. Connecticut HAMB'ers

    I am guessing this is for a Flathead? If so, there are extra holes. I plugged the extra holes in my manifold with chrome plugs.
     
  3. Diavolo
    Joined: Apr 1, 2009
    Posts: 810

    Diavolo
    Member

    Yup, flathead. Thanks.
     
  4. 42merc
    Joined: Dec 19, 2010
    Posts: 701

    42merc
    Member

    You must have an 8BA motor.
    A '48 and earlier motor uses all of the bolt holes.
    Offy drills the intake to fit both styles.
    Not a big deal.
     
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  5. Kiwi 4d
    Joined: Sep 16, 2006
    Posts: 2,722

    Kiwi 4d
    ALLIANCE MEMBER

    You got the right one for 8BA if it has the big hole on the left front for road draft tube and directly behind that a big hole for the crankcase breather oil filler.
     

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