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Another Steering Box Thread - Small/Large Sector Shaft #2224916
01/01/17 05:16 PM
01/01/17 05:16 PM
Joined: Nov 2004
Posts: 25,050
Texas
GoodysGotaCuda Offline OP
5.7L Hemi, 6spd
GoodysGotaCuda  Offline OP
5.7L Hemi, 6spd

Joined: Nov 2004
Posts: 25,050
Texas
First I'd like to confirm that a 1972 would have come with a "Small" [1-1/8"] sector shaft, correct? Across the splines on my original box is about 0.030" over 1.125", which makes me ask the question.

Secondly, assuming I had a small sector shaft car, what would it take to upgrade it to the larger 1-1/4"? Is it simply the right box and associated pitman arm from a '73+ Ebody?

Going with the idea that bigger is better with this component.


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2224941
01/01/17 05:50 PM
01/01/17 05:50 PM
Joined: Nov 2016
Posts: 200
Colorado
B
Bob J Offline
enthusiast
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enthusiast
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Joined: Nov 2016
Posts: 200
Colorado
When I bought my box from Firm Feel I got the large shaft with matching quick ratio arms. It was a easy way to upgrade and get firmer steering on top of it.


07 Porsche C2 997.1 6spd DD and SCCA Solo II SS
68 Plymouth GTX Convert. 493cu Hotkiss Wilwood Classic air, Building for Solo II Cam
65 Chrysler 300 Convert. project
57 Desoto 2dr. Firesweep 392 Hemi,Wilwood Project with son
2003 Dodge Dakota R/T "DEAD"
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2225016
01/01/17 07:20 PM
01/01/17 07:20 PM
Joined: Jan 2003
Posts: 27,444
So Cal
autoxcuda Offline
Too Many Posts
autoxcuda  Offline
Too Many Posts

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Posts: 27,444
So Cal
For a ebody or 70-72 B body you can switch large and small spline with the appropriate pitman with no other changes.

Also to consider the price of Moog large diameter pitmans compared to small ones.

Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2225034
01/01/17 07:45 PM
01/01/17 07:45 PM
Joined: Dec 2003
Posts: 22,695
Bitopia
J
jcc Offline
If you can't dazzle em with diamonds..
jcc  Offline
If you can't dazzle em with diamonds..
J

Joined: Dec 2003
Posts: 22,695
Bitopia
Originally Posted By GoodysGotaCuda
eek

Going with the idea that bigger is better with this component.


With your training, that's not something I would have expected to hear from you, and I suppose you can tell where I stand on the issue. grin


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: jcc] #2225095
01/01/17 09:53 PM
01/01/17 09:53 PM
Joined: Nov 2004
Posts: 25,050
Texas
GoodysGotaCuda Offline OP
5.7L Hemi, 6spd
GoodysGotaCuda  Offline OP
5.7L Hemi, 6spd

Joined: Nov 2004
Posts: 25,050
Texas
Originally Posted By jcc
Originally Posted By GoodysGotaCuda
eek

Going with the idea that bigger is better with this component.


With your training, that's not something I would have expected to hear from you, and I suppose you can tell where I stand on the issue. grin



I have sheared off a sector shaft before and twisted one [Jeep], it seems silly to put a smaller, critical , component in at this time.

Past experience is keeping me from trying to nerd-out over this particular topic.


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2225106
01/01/17 10:18 PM
01/01/17 10:18 PM
Joined: May 2003
Posts: 96,649
On The Boat, On The Lake, Wa. ...
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.
amxautox  Offline
Still Retired. Still Posting on Moparts. A Lot.

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Posts: 96,649
On The Boat, On The Lake, Wa. ...
Just don't take your Cuda offroad. work


Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

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Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2225110
01/01/17 10:21 PM
01/01/17 10:21 PM
Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger Offline
master
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Nebraska
You dont measure the splines you measure the shaft.


Mopar to the bone!!!
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2225183
01/01/17 11:50 PM
01/01/17 11:50 PM
Joined: Jun 2007
Posts: 2,432
NorCal
RylisPro Offline
top fuel
RylisPro  Offline
top fuel

Joined: Jun 2007
Posts: 2,432
NorCal
Im rooting for you to succeed on the Borgerson unit Goody!
Because if and when you get it all properly functioning, I'm going to blatantly copy your setup haha!

It would be awesome to get rid of another 10-15 pounds off the front end.


73 `Cuda
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Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2225261
01/02/17 01:22 AM
01/02/17 01:22 AM
Joined: Dec 2003
Posts: 22,695
Bitopia
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jcc Offline
If you can't dazzle em with diamonds..
jcc  Offline
If you can't dazzle em with diamonds..
J

Joined: Dec 2003
Posts: 22,695
Bitopia
Originally Posted By GoodysGotaCuda


Past experience is keeping me from trying to nerd-out over this particular topic.


work

You lost me, but maybe that was the point. grin


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: amxautox] #2225895
01/02/17 09:53 PM
01/02/17 09:53 PM
Joined: Jan 2003
Posts: 28,063
Irving, TX
feets Offline
Senior Management
feets  Offline
Senior Management

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Posts: 28,063
Irving, TX
Originally Posted By amxautox
Just don't take your Cuda offroad. work



It's those 42" tires that will kill it.



biggrin


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2243742
01/30/17 01:12 AM
01/30/17 01:12 AM
Joined: Feb 2003
Posts: 8,658
A
Andrewh Online content
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Andrewh  Online Content
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Joined: Feb 2003
Posts: 8,658
for my 65 coronet, which shares most of the same suspension stuff, that is all I did.
ordered up the newer box, which apparently is the same up to the 89 full size rwd cars and the 73 and up pitman arm and it dropped in.

I was concerned about indexing, but even that lined up the same with no issues.

Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: Andrewh] #2245624
02/01/17 11:36 PM
02/01/17 11:36 PM
Joined: Jan 2007
Posts: 7,664
IN
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ahy Offline
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Per my understanding the larger shaft uses the more common and less expensive pittman. Is the larger shaft better beside cost? IDK. When I had my box rebuilt I chose the larger shaft at no added charge to use the lower cost pittman. I figured the larger diameter was a possible strength bonus despite the slight added weight... and happy with lower cost.

Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2249734
02/08/17 03:46 PM
02/08/17 03:46 PM
Joined: Jan 2003
Posts: 21,599
San Jose,CA
migsBIG Offline
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I have the larger shaft in my Cuda, seemed to work fine. Now I wonder, why did Chrysler go to larger shafts in 1973?

Re: Another Steering Box Thread - Small/Large Sector Shaft [Re: GoodysGotaCuda] #2251937
02/11/17 11:58 PM
02/11/17 11:58 PM
Joined: Dec 2014
Posts: 5,710
ohio
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ruderunner Offline
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ohio
Iirc, C bodies had the larger shaft for a few years prior.
Then the B vans came out and they used the same shaft. At that point it may have just become more cost effective to standardize across all platforms.


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