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Technical Hey SBC guys ! Rams horn manifold question

Discussion in 'Traditional Hot Rods' started by jailhousebob, Apr 28, 2023.

  1. jailhousebob
    Joined: Jun 18, 2009
    Posts: 898

    jailhousebob
    Member
    from Illinois

    Hi Guys, wondering if GM made a ramshorn type exhaust manifold for the drivers side that has a rear discharge AND the generater mount boss on the front. I'm putting a 59 283 in my survivor 39 Deluxe coupe and the center dump rams horn falls right into the steering box. Thanks,Bob
     
  2. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,398

    Johnny Gee
    Member
    from Downey, Ca

  3. Bursonaw
    Joined: Jun 19, 2011
    Posts: 176

    Bursonaw
    Member

    These might work. I also seam to remember that a truck manifold
    might work.

    IMG_0037.png
     
  4. That E-Bay photo that Jonny Gee posted up is one I have used in 40 Ford SBC combo and worked. Know that there are a couple versions of it and that one is the later version. It's thicker and fatter than the first run of them. There is also a late one with air fitting holes in it for early smog motors. The early one I like is common to cracks due to the fuel changes of the time. I'm actually running one in my Avitar for steering clearance issues with the strait drop manifold. They are out there. I have a few on the shelf myself but don't think I have any first run ones left. I have also seen the Right side used on the Left letting the pipe go forward and wrap back around the steering gear. Whatever it takes ya know.
     
    gary macdonald, dirt t and Deuces like this.
  5. 1-SHOT
    Joined: Sep 23, 2014
    Posts: 2,898

    1-SHOT
    Member
    from Denton

    I know the above manifolds will clear the steering box in a 40 Ford like it was made for it.
     
  6. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,398

    Johnny Gee
    Member
    from Downey, Ca

    On those 67 C10 truck manifolds from eb** I posted earlier. You’ll need the correct brackets to match that manifold.

    So here’s the manifolds without the link and also a pic of what brackets are needed/look like. 536C7C96-559B-4E97-8A08-0D2F7E8C9B1E.png 109E0C30-19BA-476F-9959-3FCAB1882672.png
     
    swade41, Deuces and 47chevycoupe like this.
  7. jailhousebob
    Joined: Jun 18, 2009
    Posts: 898

    jailhousebob
    Member
    from Illinois

    Thanks guys but i'm looking for one with the early style generator mount on the front, not the later style Alt mount as pictured.Also, i'll take everyones word that they clear the steering box but it sure dosen't look like it will clear mine.I am running the early hurst front mount and bolted to the orig.39 trans and there isn't much room down there !
     
  8. Mr48chev
    Joined: Dec 28, 2007
    Posts: 36,009

    Mr48chev
    ALLIANCE MEMBER

    I'm ***uming that you are looking for this 58 bracket with the turn back outlet.
    I think you can find the one without any bracket new from Dorman pretty reasonable. That and the tradiditional bolt to the small block generator bracket would have you in business. I have used the one that normally gets used with headers to mount a generator or alternator on a manifold with no bracket before. Like this, a mix and match of parts to make things work. 58 Manifold 283.jpg Truck Manifold 283  no bracket.jpg Gen alt bracket.jpg
     
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  9. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,398

    Johnny Gee
    Member
    from Downey, Ca

    No can do. That’s why I showed the other bracket. Unless, you can find a set of hard to hind 62-67 Chevy II units. 5272E388-BB17-4066-BD3F-667CE4297DB6.png
     
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  10. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,398

    Johnny Gee
    Member
    from Downey, Ca

    ^^^^^I take that back. Eb** has several L79 sets. Listings start @ $400.00 and goes up from there.
     
  11. bobss396
    Joined: Aug 27, 2008
    Posts: 18,744

    bobss396
    Member

    Look at the '58 to '62 manifolds too. IIRC they were close to the C10 pieces. The Nova ones are like hen's teeth.
     
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  12. hepme
    Joined: Feb 1, 2021
    Posts: 635

    hepme
    Member

    Speedway, 125.
    [​IMG]
     
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  13. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,398

    Johnny Gee
    Member
    from Downey, Ca

    For angled dumb you’d have to go 65-68 Impala but those still do not have alternator mount like OP wants. 2 options, get later style brackets or cough up the money. I found a minimum of 3 sets right off on eb** without ever scrolling down the first page.
     
    bobss396 likes this.
  14. DDDenny
    Joined: Feb 6, 2015
    Posts: 22,467

    DDDenny
    Member
    from oregon

    Johnny
    You are correct, the Chevy II exhaust manifolds have gone off the chart in price.
    Most people would not even notice those thin mounting flanges but that is the quickest way to tell them apart from the other manifolds and I'd bet in a pile of a hundred sets you wouldn't find one, that's why I don't bother suggesting them anymore.
    By the way, there was no Chevy II specific L79 manifold.
     
  15. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,398

    Johnny Gee
    Member
    from Downey, Ca

    I should have put quotation mark’s. :( It’s eb** after all. ;)
     
  16. bobss396
    Joined: Aug 27, 2008
    Posts: 18,744

    bobss396
    Member

    I run either a '65 or '68 manifold on my driver side. I have had the sets since around 1978. I picked up a 45 degree Dorman truck unit for the p***enger side on eBay, ground off all the ugly nubs and writing. I had to plug the EGR holes.
     
  17. Vic Walter
    Joined: Jan 21, 2018
    Posts: 172

    Vic Walter
    Member

  18. bangngears
    Joined: Aug 30, 2007
    Posts: 1,326

    bangngears
    Member
    from ofallon mo

    If you cant find one cut it at an angle and weld it back together. ive done it many times.
     
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  19. Atwater Mike
    Joined: May 31, 2002
    Posts: 11,618

    Atwater Mike
    Member

    ^^^^ Arc weld w/nickle rod, right? I did read something about a MiG weld on cast iron with some 'wire trickery', can't recall where.
     
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  20. Nailhead Jason
    Joined: Sep 18, 2012
    Posts: 4,515

    Nailhead Jason
    Member

    Why not use 55 56 265 manifolds? I used them the first go around on my 39 Tudor and they worked great. They have the gen mount on them and clear the steering great. If you can’t locate any let me know. I have at least 2 sets and one driver side single as that’s the one that counts the most.
     
  21. Vic Walter
    Joined: Jan 21, 2018
    Posts: 172

    Vic Walter
    Member


    Those manifolds drop out between #1 and #3 exhaust port, right on top of the side mount motor mount. The Vega steering box, if used is just below that.
     
  22. RICH B
    Joined: Feb 7, 2007
    Posts: 5,963

    RICH B
    ALLIANCE MEMBER

    The R/H truck manifold aims forward and the the pipe can be snaked around the box. Would need to use a bracket like MR48 posted earlier to hang a generator mount.

    IMG_2725 (Medium).jpg pipe 1.jpg
     
  23. krylon32
    Joined: Jan 29, 2006
    Posts: 10,827

    krylon32
    ALLIANCE MEMBER
    from Nebraska

    I have the same exhaust setup RichB shows above on my 40 coupe with the same steering. Exhaust goes down and around the steering box. Works perfect.
     
  24. Nailhead Jason
    Joined: Sep 18, 2012
    Posts: 4,515

    Nailhead Jason
    Member

    Here is how it routed on my 39 with 55 exhaust manifolds. I used a hurst front mount but it can clear a side mount, if used with the biscuit type side mounts shown above. 0671B4CB-731C-4CCC-A719-20A9F84D9DDB.jpeg B9513555-1FD1-4D2C-9EC7-47452B9B4D1F.jpeg 577825EE-D7CD-4B85-BE76-F09EFC2FBEA3.jpeg
     

    Attached Files:

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  25. Elmo Rodge
    Joined: May 12, 2002
    Posts: 2,671

    Elmo Rodge
    Member

    Take a look at part # GM3942529 LH.
    Wayno
     
  26. DrJekyllMrHyde
    Joined: Dec 23, 2016
    Posts: 80

    DrJekyllMrHyde
    Member

    I have a set with the rearward/forward if you like, for free, was going that way as well for starters.
    No bracket for generator though.
    But the shipping you know…
     
    Budget36 likes this.

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