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Technical Straight SBC Thermostat Housing

Discussion in 'The Hokey Ass Message Board' started by RoadsterDom, Aug 28, 2020.

  1. RoadsterDom
    Joined: Oct 10, 2017
    Posts: 58

    RoadsterDom

    Did the small block chevy ever come with a straight thermostat housing , I have a modern billet looking Mr Gasket one but it doesn't suit my 60's era build (32 5w with 327) would like to replace it with something OEM or just generally something more in keeping .

    Thanks
     
  2. Murphy32
    Joined: Oct 17, 2007
    Posts: 726

    Murphy32
    ALLIANCE MEMBER
    from Minnesota

  3. DDDenny
    Joined: Feb 6, 2015
    Posts: 13,811

    DDDenny
    Member
    from oregon



    I don't have experience with that one but a lot of those shiny chrome water necks have a real problem with leaking.
     
  4. Jokester
    Joined: Jan 29, 2005
    Posts: 442

    Jokester
    Member

    Don't over tighten!

    .bjb
     

  5. RoadsterDom
    Joined: Oct 10, 2017
    Posts: 58

    RoadsterDom

    Ive had the same issue with the one I have currently, ended up taking the o ring out and running a traditional gasket . Also the quality of the chrome is shocking
     
  6. joel
    Joined: Oct 10, 2009
    Posts: 1,722

    joel
    ALLIANCE MEMBER

    If you can find an original iron one, the warp problem is not as bad, but you will probably have to file the gasket surface.
     
    rbrewer and Murphy32 like this.
  7. B.SUTTON
    Joined: Feb 8, 2007
    Posts: 48

    B.SUTTON
    Member
    from Peoria, IL

  8. AngleDrive
    Joined: Mar 9, 2006
    Posts: 827

    AngleDrive
    ALLIANCE MEMBER
    from Florida

    1957 Pontiac is the one you want, stay away from that chrome garbage. It points straight up, if that is what you meant.
     
    Murphy32 and lothiandon1940 like this.
  9. low down A
    Joined: Feb 6, 2009
    Posts: 299

    low down A
    Member

    i'm doing a 283 stock GM intake it had the one that pointed forward i needed one the pointed straight up for a 32 radiator. what i used was a stock thermostat housing off a late 60's to early 80's big block mopar same bolt pattern as the small chevy
     
  10. jimmy six
    Joined: Mar 21, 2006
    Posts: 7,189

    jimmy six
    Member

    6 cylinder will work. The chrome ones are fine if you rough them up and paint the outside, glyptal the inside and like said above use a stock flat gasket with Permatex #2.
     
    fordflambe and scrap metal 48 like this.
  11. Bob Lowry
    Joined: Jan 19, 2020
    Posts: 249

    Bob Lowry

  12. oldolds
    Joined: Oct 18, 2010
    Posts: 3,034

    oldolds
    Member

    I think at one time I used a 318 Mopar one that was straight up on a Chevy.
     
    olscrounger and jetnow1 like this.
  13. hotrod37
    Joined: Aug 8, 2006
    Posts: 112

    hotrod37
    Member
    from Indiana

    I used on from GMC V6 that was straight & aluminum.
     
  14. squirrel
    Joined: Sep 23, 2004
    Posts: 46,907

    squirrel
    Member

    straight up? or angled straight forward? As mentioned, the 6 cyl ones will work, the 55-62 235 housing goes straight up, the 55-mid 60s V8 housings angle straight forward.
     
    AHotRod likes this.
  15. Jmountainjr
    Joined: Dec 29, 2006
    Posts: 1,224

    Jmountainjr
    ALLIANCE MEMBER

    This is a cast iron GM housing that points almost straight up. It's about 5 degrees forward. At one point I did have some straight up ones and they did not have the access port. So yes, they are out there.
    20200829_123512.jpg
     
  16. 325w
    Joined: Feb 18, 2008
    Posts: 5,378

    325w
    ALLIANCE MEMBER
    from texas

    Real parts stores can get you cast iron ones. But it takes a book. Alsorts of them in "the book"
     
  17. DDDenny
    Joined: Feb 6, 2015
    Posts: 13,811

    DDDenny
    Member
    from oregon

    I made my own.
    DSCN1616.JPG
     
    Just Gary likes this.
  18. 20200829_123512.jpg
    Jim: Any part number for this housing ??
     
  19. Jmountainjr
    Joined: Dec 29, 2006
    Posts: 1,224

    Jmountainjr
    ALLIANCE MEMBER

    The only markings are on the driver's side. Marked 6122 down near the mounting bolt and 11 up on the neck where the hose would cover.
    20200829_170828.jpg
     
  20. jimmy six
    Joined: Mar 21, 2006
    Posts: 7,189

    jimmy six
    Member

    That’s one you see at a swap meet for $2 and don’t even haggle. Don’t what it came off of and don’t care because you know your going to need it one day.
    For me I can’t pass an old Chevrolet/GMC throw out bearing fork. Must have 10-15. Bought them sometimes just for the spring clip since there were no repops.. now I’m done with all that since we have 2 running cars.... I gotta get to a swap meet and thin out my stash..
     
  21. doesnt take books all the time... Just a parts guy that knows what to look for, Ask for the Grouchy old basterd in the back..
    https://www.oreillyauto.com/detail/b/murray-climate-control-4379/cooling---heating-16773/water-outlets-16861/thermostat-housing-water-outlet-11367/33c643a65947/murray-climate-control-water-outlet/84804/4523040/1975/chevrolet/g20?q=thermostat+housing/water+outlet&pos=1

    Also the other necks are chev van also..

    4198082-ac09ffeaf6fb1f3357c44a0eaf90813e.jpg
     
  22. Mimilan
    Joined: Jun 13, 2019
    Posts: 649

    Mimilan
    Member

    @RoadsterDom
    Try 57 -58 vintage 235 Chevy [bolts onto a Smallblock]

    upload_2020-8-30_9-43-44.png
     
    AHotRod and RoadsterDom like this.
  23. partssaloon
    Joined: Jan 28, 2009
    Posts: 457

    partssaloon
    Member

    Four Seasons part # 84908
    shows it fits 86-73 GM Lt.trucks
    84992 goes straight up also without the threaded port.
     
    AHotRod and RoadsterDom like this.

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