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Technical Can you heat and bend a sway bar?

Discussion in 'The Hokey Ass Message Board' started by Budget36, Aug 15, 2015.

  1. Budget36
    Joined: Nov 29, 2014
    Posts: 15,337

    Budget36
    Member

    Reading through the other sway bar thread, I saw mention of a certain material used for a sway bar, and was easy to heat it up and bend it.

    My question pertains to a sway bar that came with my Heidts IFS kit (no worries, will run fenders on my '36)
    The sway bar darn near touches the coil overs, I think what occurred is they sent me a standard length sway bar, but my spindles were 5/8th? as I recall, narrower.

    I recall talking to Heidts about this, but since I bought it from a supplier (who's gone out of business) they wouldn't swap it for the correct one..i/e I had to go through the supplier.

    So, can I heat and bend this sway bar, without losing it's "spring" nature?
     
  2. pdq67
    Joined: Feb 12, 2007
    Posts: 787

    pdq67
    Member

    I tweaked my 1" ADDCO front sway bar about a 1/2" per side by having a guy that had a 50 ton hydraulic press very carefully bend both ends in. Worked fine.

    Before he started, he told me to go stand outside in case it broke.

    I should have known something was up because the box it came in was all torn up and it was scratched all over. Bought both front and rear from JCW so figure it was a second! The rear fit fine!

    Price was right so what the hey!

    pdq67
     
  3. 57countrysedan
    Joined: Oct 28, 2012
    Posts: 370

    57countrysedan
    Member
    from NY

    I don't see why not? I could be wrong in offering that advice but really a sway bar is just a piece of metal that links the suspension to the frame. Granted it's not one of those torsion bar deals and is a stock style bar. Only thing I would be careful about is if it's hollow I would think u could kink it. Hopefully someone else can help u and say I'm right or wrong. I've never done it myself for the record.
     
  4. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,756

    Rusty O'Toole
    Member

    It might be possible to heat and bend it, but it would have to be tempered. Not the kind of thing you can do yourself. You might ask a spring shop if they can do it.
     
    Dave Mc likes this.
  5. Budget36
    Joined: Nov 29, 2014
    Posts: 15,337

    Budget36
    Member

    It's solid, I just ***umed it would be heat treated in some fashion like springs?
     
  6. Budget36
    Joined: Nov 29, 2014
    Posts: 15,337

    Budget36
    Member

    No spring shops in the area that I know of, but I bet a good BlackSmith could do it then, there's still some around these parts.
    Thanks
     
  7. Ralphies54
    Joined: Dec 18, 2009
    Posts: 798

    Ralphies54
    Member

    Yes you can, but after you do then it's just a piece of cold rolled steel.
     
  8. prpmmp
    Joined: Dec 12, 2011
    Posts: 1,132

    prpmmp
    Member

    Got one from a 95 Firebird,Heated and bent to fit on my 37 Chevy truck with a 10bolt. Works great!! Pete
     
  9. Budget36
    Joined: Nov 29, 2014
    Posts: 15,337

    Budget36
    Member

    Lol, that's what I was wondering;)
     
  10. Budget36
    Joined: Nov 29, 2014
    Posts: 15,337

    Budget36
    Member

    How much use do you have on it?...i/e miles?
     
  11. prpmmp
    Joined: Dec 12, 2011
    Posts: 1,132

    prpmmp
    Member

    I,m retired so it gets out 4-5 times a week. We use it for our truck.dirt,stone,coal, etc!! 6000 miles since it was installed. Pete[​IMG]
     
    Last edited: Aug 15, 2015
  12. olscrounger
    Joined: Feb 23, 2008
    Posts: 4,840

    olscrounger
    ALLIANCE MEMBER

    have taken them and had bent on a large press --no problem thus far
     
  13. KoolKat-57
    Joined: Feb 22, 2010
    Posts: 3,092

    KoolKat-57
    Member
    from Dublin, OH

  14. jetnow1
    Joined: Jan 30, 2008
    Posts: 2,201

    jetnow1
    ALLIANCE MEMBER
    from CT

    Ask an established dump truck co where they are, or check google, they must be somewhere near you
    probably in an older industrial area.
     
  15. kidcampbell71
    Joined: Sep 17, 2012
    Posts: 4,756

    kidcampbell71
    Member

    You can bend 'em. That's how they build them, from straight steel bar stock. Pop them in the hydraulic pipe bending machine, and they bend them up. I would imagine a good heavy press would be just fine. I wouldn't heat them either. Dunno' if that will affect it, it's just not how they make them originally .... soooooooooooo....... no heat.
     
  16. kidcampbell71
    Joined: Sep 17, 2012
    Posts: 4,756

    kidcampbell71
    Member

  17. millersgarage
    Joined: Jun 23, 2009
    Posts: 2,310

    millersgarage
    Member

    I know that they will bend when your car slips off the jack under the crossmember and lands on the sway bar.....

    Bend it without heat and you'll be fine.
     
    metlmunchr and kidcampbell71 like this.
  18. Mike VV
    Joined: Sep 28, 2010
    Posts: 3,329

    Mike VV
    Member
    from SoCal

    You heat it, you make it junk...plain and simple.
    Read up on heat treating...!
    If you need to change its shape, a LARGE press is in order, and do it COLD.

    Mike
     
    metlmunchr likes this.
  19. Budget36
    Joined: Nov 29, 2014
    Posts: 15,337

    Budget36
    Member

    Thanks again gents!
     
  20. Bert Kollar
    Joined: Jan 10, 2007
    Posts: 1,261

    Bert Kollar
    Member

    I tweaked 3 of them in a 50 ton press cold no problem. A lot of springs were (are ) made from tempered wire and then coiled cold. I made one for my hydraulic press that way
     
  21. budd
    Joined: Oct 31, 2006
    Posts: 3,478

    budd
    Member

    anyone know what type of steel is used, 4140?
     
  22. blowby
    Joined: Dec 27, 2012
    Posts: 8,664

    blowby
    Member
    from Nicasio Ca

    I bent one in a large vice, cold, while standing with one foot on the vice and another on the bench, took about 30 degrees out of a 90 degree bend. First side went fine, second side snapped, I went for a short flight. Wear a helmet if you try this.
     
  23. LOL you can heat and bend about anything made from steel. Uh that's not what you wanted to know right?

    I have heard of guys heating and bending sway bars, I personally don't think it is a good idea, think of one as a spring, yes you can heat it but the question is if it is a good idea. well heating a spring really isn't such a good idea.
     
  24. Don't **** up the temper, do the bending cold. I had to spread one an inch, used my port-a-power, everything was going good, couple more strokes, bang, port-o-power smashed a cement block in the outside wall of the garage.
    Do be careful when working with spring steel.
     
  25. Bearing Burner
    Joined: Mar 2, 2009
    Posts: 1,208

    Bearing Burner
    Member
    from W. MA

    I machined ome and I can tell you they are HARD. Had to use carbide end mill and sparks came off the cutter.
     
  26. You can reverse a spring so I would think you can bend a sway bar, like others have said, do it cold. does not sound like you need much.
     
  27. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,279

    mgtstumpy
    Member

    Had the one on my car done and retempered afterwards. Been going fine for 15yrs now.
     
  28. oldolds
    Joined: Oct 18, 2010
    Posts: 3,646

    oldolds
    Member

    I see a lot of bent sway bars on wrecks. Most are bent few are broken. I would vote for bend cold. Put the short end in a vice or some other solid object. Use your body weight on the long end, or a big friends body weight. You prob only want to move each side 1/4 to 1/2 an inch. Leverage is your friend in this case.
     
  29. enjenjo
    Joined: Mar 2, 2001
    Posts: 2,780

    enjenjo
    Member
    from swanton oh

    I have heated and bent a bunch of them, it never caused a problem. For Mustang Front ends I heat and bend S10 sway bars, and they work great.

    I have also cut the ends off one, and welded on new ends with no ill effects.
     
  30. gas & guns
    Joined: Feb 6, 2014
    Posts: 368

    gas & guns
    Member

    GMC safari van, company truck had snapped on both ends. ( known for it) Hollow tube with both ends smashed flat with a hole drilled in. I pulled it off and migged both ends back on.
    Smoothed and blended the welds with a 4in sanding disc.
    10,000 miles ago. So far, so good.
    Air cooled no quench.
     
    Last edited: Aug 17, 2015

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