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Looking for some feedback on fast ratio steering arms?

Steering / Suspension

  1. valkman

    valkman Well-Known Member

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    When driving my stock power steering Challenger the steering can get pretty twitchy especially when switching from one of my modern car. My question is for someone using the a fast ratio steering and idler arms, does it make it feel firmer?
     
  2. 12sandwich

    12sandwich Active Member

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    I wanted to try that on more than one vehicle, it seems the pitman arm and maybe idler arm was longer, and would get into the header pipes.
    It most likely would make for a faster ratio steering. I don’t believe it will make it any firmer, they have no feel to begin with.
    Low caster could be your culprit. Get the alignment checked, and see if they can dial in some positive caster.
     
  3. valkman

    valkman Well-Known Member

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    Thanks for your input. I don't think there's anything wrong with it. It's just such adjustment when I 1st drive it, and was curious if it would benefit. I do have a small block with headers so also wondering if that would be problematic?
     
  4. 340challconvert

    340challconvert Well-Known Member

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    The fast ratio arms decrease the turns lock to lock, making the steering respond in a shorter turning radius. A TA box or rebuilt box built to those specs make the steering feel even more like a modern car.
    Keep in mind there are many modifications you can make in addition to these two changes; c-body tie rod ends, reinforcement bracket at the steering arm, modifications to the ps pump, and even going to a Borgeson Box.
    Here is some light reading on the topic;
    http://www.firmfeel.com/articles/MAarticle2011dec.pdf

    http://www.firmfeel.com/articles/MAarticle2012feb.pdf

    http://www.firmfeel.com/articles/MAarticle2014dec.pdf
     
    Last edited: Oct 12, 2019 at 2:24 PM
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  5. 12sandwich

    12sandwich Active Member

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    I did the C-body tie rods in Moog last summer, before that some years ago I did the Moog ball joints control arm bushings, strut rod bushings, etc..
    This year I put the Borgeson steering conversion in. Roughed in the other day.
    A93080B6-682A-4881-A46C-2AC9E7066941.jpeg box is tiny compared to original, about the same size as the manual box.
     
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  6. valkman

    valkman Well-Known Member

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    Why do you need C body tie rods?
     
  7. 12sandwich

    12sandwich Active Member

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    You have to do inner and outer tie rods, and the adjusting sleeves.
    They are bigger, mainly the shaft size, not so much the ends.
    Probably a little less flex, due to the 11/16” shaft size. Definitely a beefier shaft.
    Not really needed, unless your planning on installing new tie rods. Might as well upgrade at that time.
     
  8. AUSTA

    AUSTA Well-Known Member

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    If your not looking at staying original Borgeson is the go.
     
  9. AUSTA

    AUSTA Well-Known Member

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    See pics of Borgeson.
    If you cut the weld on the steering shaft about 2" up from the end you can use a slide hammer to draw out the old spline then refit using a Toyota landcruiser spine tap into the shaft from where you removed the dodge spline then reweld & pin
    The strange thing is the Toyota spline made 45 years later is identacle to the dodge spline.
    There are 2 version 1 i used a Toyata universal joint the other same but with a rag joint coupling ,the spline of the Toyota fits straight onto the Borgeson box.

    Borgeson.jpg borgeson1.jpg borgeson1.jpg Borgeson.jpg borgeson1.jpg
     
  10. gzig5

    gzig5 Well-Known Member

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    I think I read where the fast ratio arms interfere with the TTI headers. Not sure about other brands. That's the only thing that is holding me back until I figure it out. I assume they are compatible with power steering? The Borgeson stuff looks good too but it's more expensive and seems people have noisy systems lately.
     
  11. 12sandwich

    12sandwich Active Member

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    5720944B-CF46-4EB4-A128-BC28AABA3C78.jpeg I was pleasantly surprised that my steering shaft required no shortening, and could be returned to an original steering box if need be. Though I doubt it’ll ever go back.
    The steering coupler that came with the kit, is way nicer then the original or most other manufacturers setup. Super tight!
     
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  12. 340challconvert

    340challconvert Well-Known Member

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    12sandwhich
    The Borgeson looks like it belongs there.
    I never wanted to cut the original shaft to install a B box.
    That coupling kit made a difference!
    Thanks for posting.
    Dino2 (1).gif
     
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