A body Steering Boxes

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Lotta good information coming from this thread.

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Thanks @72bluNblu I plan on swapping to a manual box and was looking at all of my options. My Dart had a FF 20:1 box on it and I was very happy with it.
 
BrianT said:
Thanks @72bluNblu I plan on swapping to a manual box and was looking at all of my options. My Dart had a FF 20:1 box on it and I was very happy with it.
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I think the 20:1 box is a great option, I think PST is still selling them. I love my 16:1 manual box but I do understand that not everyone would, it does get pretty heavy at parking lot speeds. At the same time I think a 24:1 factory box would just be a lot of turning the wheel to make things happen, ~5.5 turns lock to lock is a lot. The 20:1 box is a nice in between.
 
Yeah, I like the 16:1 box out on the highway, but, it's a real workout to parallel park.
 
cudamark said:
There again, I'm talking about power boxes, not manual boxes! For 16:1 manual boxes, 72bluNblu is correct....A-body only from '66-9. They were all bearing type boxes too. Chrysler came out with a 20:1 gear set later on as an optional replacement for 16:1 or 24:1 ratios.
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Chrysler had the standard manual steering boxes and also offered a close ratio one. I have that in my 69', in the photo. not sure of anything else except the pitman arm is different from 68' and up, from a 67'. 67' is on its own with that. As stated, steering columns are different from power steering (short shaft) and manual steering (long shaft).
 
Swinger 340 said:
Chrysler had the standard manual steering boxes and also offered a close ratio one. I have that in my 69', in the photo. not sure of anything else except the pitman arm is different from 68' and up, from a 67'. 67' is on its own with that. As stated, steering columns are different from power steering (short shaft) and manual steering (long shaft).
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The '67 Idler arm is unique, but, the pitman is the same as all '67-72 A-bodies except for the factory big block cars.
 
All of this talk about steering box ratios. What is the ratio of the stock Mopar power steering box?
 
RustyRatRod said:
All of this talk about steering box ratios. What is the ratio of the stock Mopar power steering box?
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16:1

I think the exact ratio is 15.9:1 like @cudamark stated earlier. The manual boxes have a decimal on the actual ratio too, they're all rounded up slightly to 16:1, 20:1 , 24:1.
 
Thanks yall. That's what I thought.
 
RustyRatRod said:
Thanks yall. That's what I thought.
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Sure! And that applies to all of the power boxes as far as I know. The TA cars had fast ratio power steering at around 12:1, but that was done with extended steering arms. So the power steering box itself was still 16:1.
 
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