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Hot Rods Buick Nailhead with Powergen

Discussion in 'The Hokey Ass Message Board' started by oddrod46, Mar 3, 2025.

  1. oddrod46
    Joined: May 25, 2005
    Posts: 1,095

    oddrod46
    Member
    from Georgia

    Are any of you guys running Powergen Alternators on your Buick Nailhead 401 /425?
    Very curious what you did for brackets.
     
  2. jaracer
    Joined: Oct 4, 2008
    Posts: 2,849

    jaracer
    ALLIANCE MEMBER

    If you are talking about the alternator that looks like a generator, why not use the stock brackets?
     
  3. The generator bracket for a 57 364 works nicely. You have to use two head bolts that have the extended stud on the right front corner. You may have to slot the bracket for belt alignment depending on the water pump/pulleys being used. Alan Grove also makes a variety of brackets, but they are for alternators.
     
  4. oddrod46
    Joined: May 25, 2005
    Posts: 1,095

    oddrod46
    Member
    from Georgia

    I don't have the stock brackets. I could definitely buy some and see what I could configure.
     
  5. oddrod46
    Joined: May 25, 2005
    Posts: 1,095

    oddrod46
    Member
    from Georgia

    Yes, that's what's on my car now. Running an alternator
     
  6. Depending on which Powergen you use, and mounting location will determine bracketry. Rolling your own may work also. The bracket I listed works fine for a stock size generator, but a fabricated variation of that will work for a shorter unit as long as mounting outboard of the right valve cover is ok.
     
  7. jaracer
    Joined: Oct 4, 2008
    Posts: 2,849

    jaracer
    ALLIANCE MEMBER

    I've got one you can have, I just have to find it. You do need the head bolts with studs on the end to use it.
     
    Bangingoldtin likes this.
  8. oddrod46
    Joined: May 25, 2005
    Posts: 1,095

    oddrod46
    Member
    from Georgia

  9. oddrod46
    Joined: May 25, 2005
    Posts: 1,095

    oddrod46
    Member
    from Georgia



    Any luck?
     
  10. oddrod46
    Joined: May 25, 2005
    Posts: 1,095

    oddrod46
    Member
    from Georgia


    Are you running that set up personally?
     
  11. ^^^^ I have that set-up planned but have not put the engine in the car yet. That bracket works with a stock generator as I had it on a 364 previously. It has the short pump, 13961.jpeg
     
  12. wheeltramp brian
    Joined: Jun 11, 2010
    Posts: 3,085

    wheeltramp brian
    Member

    17422417205088185625086724316762.jpg 17422417421728708171129048760797.jpg Here is one currently at the shop.
     
  13. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,247

    mgtstumpy
    Member

    I added a Powergen to my SBC and fabbed a simple bracket similar to OEM style from flat bar, ensure that pulley lines up with WP and harmonic balancer. Alan Grove has alternator brackets (401-425) that could possibly be modified to a Powergen.
    upload_2025-3-19_10-52-7.png
     

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