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Technical Springs outside of frame help please.

Discussion in 'Traditional Hot Rods' started by 282doorUK, Jan 28, 2020.

  1. Car is great, video priceless. Beautiful day, beautiful countryside, as good as it gets. Cheers.
     
    282doorUK likes this.
  2. $um Fun
    Joined: Dec 13, 2008
    Posts: 598

    $um Fun
    Member
    from Nor Cal

    What are the spring mounts in your second picture on the first page? I have seen those before and cant seem to place them.
     
  3. 282doorUK
    Joined: Mar 6, 2015
    Posts: 113

    282doorUK

    They are the standard Chevy 20s/30s rear front spring mounts for the under the frame swinging shackles , I turned up a new lager outboard pin that pressed in to replace the original bushes.
    Hope these pics make more sense.

    9FD63680-2A39-4DB0-81B4-E7FD84B80FA9.jpeg
    D130A7F1-59F5-4BDD-AB59-4EE578406626_1_201_a.jpeg
    848E685E-A1FF-4ECE-8176-7CBCEC25AED1.jpeg B6FADAD6-3CA1-4548-8902-2ADF4739015C.jpeg 7970580E-955C-4E37-9B95-AB5DECB0A19C.jpeg

    7A8C02B3-934E-489F-9993-819A0C64AA04.jpeg
     
    rwrj, $um Fun and alchemy like this.
  4. 282doorUK
    Joined: Mar 6, 2015
    Posts: 113

    282doorUK

    Update on the hot air intake box, I found a scrap of ally left that was just big enough to make a fake scoopy type thing, a roll of stainless mesh was been lurking in the shed for 40+ yrs and it's day has finally come!

    Not sure about the look but better that a weird looking box which it's covering.

    Changed the working carb for one with a smaller venturi and played around with the jet sizes in it and it runs a lot better now.

    The top of the carb is now hot, the base is cool, but the manifold below feels just ever so slightly warm, a lot of odd things happen with pressure and flow changes!

    Has anyone had any luck running Stromberg 81s on a Chevy banger? Wondering if I should give them a try, but not wanting to waste cash.

    C86C0794-A20F-4DB4-ACC2-4E4B95C7DA1F.jpeg
    81305A62-F183-4A4F-8E17-BED6227E14C6.jpeg
     
    Last edited: Jun 28, 2021
    wraymen likes this.
  5. I just saw this thread. Very cool car!
     
    282doorUK likes this.
  6. 282doorUK
    Joined: Mar 6, 2015
    Posts: 113

    282doorUK

    Thanks wrayman, appreciated.
     
  7. Baumi
    Joined: Jan 28, 2003
    Posts: 2,768

    Baumi
    ALLIANCE MEMBER

    Way cool build and great attention to detail! I love it!
     
    282doorUK likes this.
  8. 282doorUK
    Joined: Mar 6, 2015
    Posts: 113

    282doorUK

    Just a nice happy update to this thread for y'all, although I have already mentioned this elsewhere.

    Well you can forget all that free used twin carb and iffy manifold junk, I sought proper advice and after consulting Clive at Stromberg he recommended a Stromerg 81, so I bit the bullet and bought a brand new one !

    Which meant yet another welded up experimental manifold, Clive advised that it would need some sort of a plenum chamber in it to get it to work properly.

    So I came up with this, which has a wide area below the carb and a water heated chamber underneath that.

    Problem sorted, it runs really well now with the jetting it came with, I'm properly impressed, it looks the part too, maybe a tad too modern for 1928 but who cares, money well spent IMHO.

    DSCF7300.JPG

    Twin carb holes in the hood healed over really quick too :)

    DSCF7242.JPG
     
    Last edited: Aug 25, 2021
    rwrj, Shadow Creek, RMR&C and 2 others like this.
  9. 282doorUK
    Joined: Mar 6, 2015
    Posts: 113

    282doorUK

    Thanks Baumi, the detailing is the fun bit, although it's far from perfect!
     
    Baumi and loudbang like this.
  10. brading
    Joined: Sep 9, 2019
    Posts: 417

    brading
    Member

    Nice looking work on the new manifold.
     
  11. 282doorUK
    Joined: Mar 6, 2015
    Posts: 113

    282doorUK

    Thanks brading, MIG welding could be better, and I've had plenty of practice that's number four so far, there may yet be others to follow!

    Don't think it's too inefficient compared to some period intakes I've seen, a few of pics of my method that may help someone.

    DSCF7262.jpeg

    DSCF7277.JPG

    DSCF7291.JPG
     
    rwrj, Shadow Creek, GuyW and 3 others like this.
  12. cfmvw
    Joined: Aug 24, 2015
    Posts: 725

    cfmvw
    Member

    That manifold is really cool! Nice work on that!
     
    282doorUK likes this.

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