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Featured Projects Seagrave 531 V12 Special BuiLd Up in Brazil

Discussion in 'Traditional Hot Rods' started by Drmalacarne, Sep 5, 2019.

  1. Fordors
    Joined: Sep 22, 2016
    Posts: 2,155

    Fordors
    Member

    Your project is an inspiration and shows the true meaning of this old quote- We have done so much with so little for so long, that now we can do anything with nothing.
    Your ability and resourcefulness is amazing.
     
    48fordnut, Stogy, DIYGUY and 9 others like this.
  2. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    Yes, we will use 20 inch rims with 700/20 tires.


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    Stogy, chryslerfan55 and loudbang like this.
  3. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    Thanks for the tip about the ignition wires colors!
    Your engine is beautiful!
    I’ll take a picture of the distributor cap soon.


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  4. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    Thanks Poletto!
    If you came to São Paulo I’ll be glad to show you my Seagrave project.



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  5. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    Next step was to open and see inside the differential.
    The 1926 Buick has a 4.56:1 ratio. Combined with the 0.86 overdrive of the 5 gear of the Seagrave gearbox and the ultra low first gear I believe will result a good match.
    d0b65218-2b19-4b3e-9bb7-8821476e26dd.jpg f7b4c3ca-279a-49c1-9de1-233444041b92.jpg
    Ver good looking for a 1926
    6de44e0c-f73a-44df-8808-cdc34784a748.jpg
    The axles was resurfaced and will have new screws
    d772ac80-a24d-493c-a5ae-d8f882cc1143.jpg 463bbbb8-242c-4c78-abd3-8df7f735d903.jpg 0b8c1fbb-e278-4ca2-8e9b-536771f12a78.jpg
    The original Buick radiator shell was abandoned for a totally custom one that will do having the 1932 DeSoto shell as inspiration.


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  6. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    IMG_9007.JPG


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  7. WOW, great thread- thank you for posting!!!

    I'm really looking forward to reading and seeing more of your build, but I'd be concerned about using an early GM rear end- they are known for being weak, especially the axles.
     
    Deuces, loudbang and Drmalacarne like this.
  8. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    That’s a good point!
    Let’s see if it can handle the V12!


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  9. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    Meanwhile we put back some engine aggregates.
    9ec93f0c-5109-49c3-9d49-fed6152c3738.jpg 81228ef4-2254-48ce-a8a2-7110cfead193.jpg
    Zenith Model 29 carbs.
    4a0cc61e-3656-4aa9-b424-3c19b3b9d002.jpg
    Timing chain, gear and cover.
    442da266-7590-414f-84eb-be10545a039c.jpg
    Water/Oil exchange heater.
    fc819780-eadf-4e44-b74c-81612d4449c5.jpg
    Spark plugs with wires and distributors caps.
    4900e61c-d1e3-4317-b353-dd8e3bfb666f.jpg 18a5dbc0-ef59-4e94-bbee-cf1f931925e1.jpg


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  10. pumpman
    Joined: Dec 6, 2010
    Posts: 2,524

    pumpman
    ALLIANCE MEMBER

    If that engine runs any where close to it's looks, oooh boy!
     
  11. Boneyard51
    Joined: Dec 10, 2017
    Posts: 2,703

    Boneyard51
    Member

    It’s odd that the exhaust exits in the front of the engine! I guess that because of the daul distributors? Are the manifolds interchangable? Did the original single distributor V-12 exit in the rear? Excellent work ! You guys seem to have the ability to do ANYTHING!




    Bones
     
  12. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    And it runs!!



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  13. 1-SHOT
    Joined: Sep 23, 2014
    Posts: 1,527

    1-SHOT
    ALLIANCE MEMBER

    That's super neat. Now you heard the noise you will work harder to complete keep up the outstanding work
     
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  14. drtrcrV-8
    Joined: Jan 6, 2013
    Posts: 1,162

    drtrcrV-8
    Member

  15. CBoyd
    Joined: Jan 25, 2019
    Posts: 11

    CBoyd

    You guys are doing a great job. Can't wait to see it when it's done!
     
    chryslerfan55, Deuces, Stogy and 2 others like this.
  16. 52HardTop
    Joined: Jun 21, 2007
    Posts: 808

    52HardTop
    Member

    Hah hah, that is so cool! Congratulations on the first start up. We had no doubt. You guys are a joy to watch.
     
  17. Corn Fed
    Joined: May 16, 2002
    Posts: 2,605

    Corn Fed
    Member

    Neat project. It even makes little boys excited!
     
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  18. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    The water pump was opened and all bearings and seals were changed.
    be438a48-ef91-49f0-802d-7520a1c2a7db.jpg f4a5a1fb-1ce8-45b7-84e5-c819b97b1c06.jpg


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  19. pumpman
    Joined: Dec 6, 2010
    Posts: 2,524

    pumpman
    ALLIANCE MEMBER

    Yup, sounds like it looks!
     
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  20. tubman
    Joined: May 16, 2007
    Posts: 4,373

    tubman
    ALLIANCE MEMBER

    Get 'er tuned up! These things run extremely smooth and will idle easily as low as 300 rpm. When I had my Seagrave, I'd take it to cars show and bet the locals a beer that I could start it with the crank that came with it. I drank a lot of free beer over the years!:D
     
  21. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    Maybe mine could start with a crank too!
    So, isn’t this a legend?!?


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  22. tubman
    Joined: May 16, 2007
    Posts: 4,373

    tubman
    ALLIANCE MEMBER

    Nope. The more cylinders, the easier an engine is to start, especially with a good ignition. I had a 4 cylinder Yamaha snowmobile (do you have those down there?) which was the easiest manual starting machine I have ever seen. Since it was a 2 cycle, there were four firing impulses with each revolution which meant that it fired as much in one revolution as a single cylinder did in 4 revolutions.

    The typical "pull" on a hand crank is 180 degrees; in that time, a 12 cylinder will fire three times, one or two of which will be at the right time. That's why you pull the crank on a four cylinder until the piston is on the compression stroke. Then, you re-position the crank and give it a pull to make sure that you get a ignition cycle when you finally pull the crank. If you don't do that with a 4 cylinder, your chances of getting it started are not good.

    (If an engine has a HUGE displacement, this theory obviously goes out the window.)
     
    Last edited: Sep 10, 2019
  23. This is a damned nice build going... MUCH talent in that shop

    Wish I had even half of the talent they got.
     
  24. loudbang
    Joined: Jul 23, 2013
    Posts: 22,862

    loudbang
    Member

    Man you guys work FAST. :)
     
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  25. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    The first friction disc we made was a little thick. So we put it off and remade.
    ec560cfe-f6b7-475c-aab7-1854a7e83bba.jpg 8ad6a8cf-7657-48b1-942d-d2c4b184e3c8.jpg


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  26. Ralphies54
    Joined: Dec 18, 2009
    Posts: 698

    Ralphies54
    Member

    Following this build very closely, love those Seagrave's, When I joined our local Fire dept. we had 3 flathead powered seagraves,2 pumpers and a truck, as the years went by and things got upgraded they were repowered with Detroits and Allison trans.
    I recall the 3 flatheads and tranys lining the wall at the back of the station, sat there for years and then slowly began disappearing one at a time. I think they just walked away and nobody realized it till one day they were gone.
    Beautiful,dependable engines sad they are gone. Ralphie
     
  27. OK. This clutch and flywheel combination is making my brain hurt. :mad: I'm familiar with Borg & Beck, Long style and diaphragm clutches. But what exactly do you call one these self- contained clutch and flywheel assemblies? o_O

    It appears to have a diaphragm spring but with a built-in release bearing . . . ? :confused: I'm guessing that these might have been fairly common on big trucks and other heavy-duty equipment? Must have been fun to resurface down inside of that flywheel. :rolleyes:
     
  28. Drmalacarne
    Joined: Sep 3, 2019
    Posts: 135

    Drmalacarne

    We bought a new set of 4 red coils and will put them through the firewall.
    So we made special aluminum collars to them.
    72fc3b3c-f1fc-48c5-bfd0-56a4ce8077ff.jpg 9cf1a966-b03b-444e-9633-a2a5cc8f79b6.jpg 315e68f8-4b77-417d-88b4-701128a5fcd4.jpg


    Enviado do meu iPhone usando H.A.M.B.
     
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  29. j hansen
    Joined: Dec 22, 2012
    Posts: 1,246

    j hansen
    Member
    from sweden

    Subscribed.Nice job!
     
  30. Now this ignition system is making my brain hurt! :eek:
     
    Deuces, chryslerfan55 and Drmalacarne like this.

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