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Technical 400 Chevy SB question

Discussion in 'Traditional Hot Rods' started by ruben solis, Jul 9, 2023.

  1. ruben solis
    Joined: Jan 29, 2010
    Posts: 80

    ruben solis
    Member

    My SBC has two threaded bolt holes in line that mount my starter the out bolt broke off. Do they make adapter that would bolt on and support a starter
    Ruben
     
  2. Lloyd's paint & glass
    Joined: Nov 16, 2019
    Posts: 10,325

    Lloyd's paint & glass
    ALLIANCE MEMBER

    If I'm thinking correctly, isn't that hole open on top? Worst case scenario, drill it out and run a long bolt with a nut on top?
     
  3. squirrel
    Joined: Sep 23, 2004
    Posts: 58,966

    squirrel
    ALLIANCE MEMBER

    VANDENPLAS likes this.
  4. squirrel
    Joined: Sep 23, 2004
    Posts: 58,966

    squirrel
    ALLIANCE MEMBER

    it's sort of common for the outer half of the hole to get broken off, and since the bolt hole needs to be in the right place and strong, it's not easy to fix the block, or rig something with a bolt/nut, that will actually work reliably.
     
  5. Lloyd's paint & glass
    Joined: Nov 16, 2019
    Posts: 10,325

    Lloyd's paint & glass
    ALLIANCE MEMBER

    I had the broken piece on a 230 straight 6 in one of my model A Ford's a few years back, made a bracket off the bellhousing bolt and rigged it up with a long bolt and nut :D it was still like that when I sold it. I guess I got lucky with the starter alignment!
     
    Desoto291Hemi and squirrel like this.
  6. steeltappet
    Joined: Jan 3, 2010
    Posts: 87

    steeltappet
    Member
    from PA

    Yes.
    Its an adaptor for putting a engine starter plate on an early 265 SBC when using a later transmission like a TH350.
    You need the 265 style starter to use it and 168 tooth flex plate.
    If its' just the bolt that broke off, seems like it would be easier to carefully use an e-z out and remove it.
    If you spent a bunch of money on a 400 block and now the corner of the block broke off, its just a few hundred more $.
     
    dirt t and Lloyd's paint & glass like this.
  7. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,338

    gimpyshotrods
    ALLIANCE MEMBER

    If the block is broken, and unless you are an excellent fabricator:

    https://www.summitracing.com/parts/dck-10100

    [​IMG]

    As has been mentioned, this will require a 168-tooth flywheel or flexplate, if you do not already have one, and uses the starter for the vehicle that it was originally intended for.

    After all this, you might be able to jut find another 400 block,
     

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