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SGI rack and pinion steering box?
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DRR Top Comp
Picture of Curly1
posted
One of the altereds I am working on had a bump steer issue. I got most of that resolved but found another issue.
The right hand tie rod has a lot of play which can change toe in. Basically the design has approx half inch shaft that rides inside about 1.250 inch housing and that is where it gets the play. I would not have noticed it except it was hard to get good measurements and I jacked the front wheel up for some reason and found the play. When I found the loose play I removed the rubber boot and found problem. Felt tight when on the ground but that play was making it hard to get a good, consistent reading. Left hand tie rod has no play inside the steering box.

I have done a search and do not know who SGI is?

Maybe Stilleto? Also has number 1332 stamped on it.


Anyone else had issues with what seems to be excessive play? The rack and pinion itself is nice and tight it is only on right hand side where tie rod goes into the housing on the box.

I do not mind buying a new rack and pinion but if design is bad do not want to buy same thing. And if I buy a different brand then I may have to start from scratch and make new brackets and have to get all bump steer out of it. Trying to avoid buying another problem.

Thanks in advance for any help.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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Only thing I could find on SGI is SGI Performance. It seems they are a Ebay seller, only thing in their store is a Pontiac Crankshaft.
Their web site will not open.

Sounds like you may have some fabricating to do..

Dave


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3313 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post
DRR Top Comp
Picture of Curly1
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I could not find anything either. I think I could make a nylon bushing that slides over shaft and into housing to reduce the play there. I hate to mess with factory design but that was not best design to start out with and there is room for improvement.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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If it's only the bushing causing the play, then that's what I would do.

Dave


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3313 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post
DRR Pro
Picture of Eman
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Sounds like a Pinto manual rack. look at Flaming river and see if it looks like theirs or Sweet manufacturing.
 
Posts: 1479 | Location: E TN | Registered: February 13, 2009Reply With QuoteReport This Post
DRR Trophy
Picture of MadMax4040
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Check your glasses again to make sure it's not an SPE? Big Grin

I had to go round and round trying to find replacement steering parts for that brogie I had, I got a whole history lesson from the guys at strange about late 80's early 90's parts manufactures, and the various company buy outs. Might be worth a call to them, they had replacements for my SPE stuff that was original 80s.
 
Posts: 29 | Location: Frisco, Tx | Registered: February 22, 2013Reply With QuoteReport This Post
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Picture of Curly1
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Here is a picture of the stamped name.




https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post



DRR Top Comp
Picture of Curly1
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Here is the end that has slop in it. The other end is tight so I did not remove the boot on it.



https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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Looks like a Pinto rack from here.. Shouldn't be hard to get parts for.

Dave


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3313 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post
DRR Top Comp
Picture of Curly1
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When I pulled the rubber boot back there was no bushing or anything in there and nothing in the boot itself. So I guess it never had any kind of bushing there and that slack can change toe in a little.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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Curly, Back when I was building/repairing chassis I ran across a pinto rack that was to wide for the chassis and was causing severe bump steer. That's when I first discovered the chassis builders were selling a rack that was shorter than a stock pinto. Anyway I ran across this article on how to DIY and shorten one. Might be helpful because it talks about making the bushing in the end of the tube.

DIY Shorten Pinto Rack

Dave

DC: I have done two altogether this way.


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3313 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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Just thought of something. Looking at the second picture, it looks like they welded that mounting tab on. I wonder if the failed to remove the bushing prior to welding which could have allowed the bushing to move. I wonder if the bushing is inside the tube since it wasn't in the boot?

Dave


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3313 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post
DRR Pro
Picture of CURTIS REED
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I'm wondering who would not fix the end of the tube? I guess probably the same person who didn't secure that bushing.



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Posts: 2981 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR Top Comp
Picture of Curly1
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That Wilwood in picture has the same SGI stamped on it! So at least we may have found out who made it or sells it.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post



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Picture of Curly1
posted Hide Post
Okay, so Wilwood does not make or sell them any more but I think with the link that Dave posted I can try to get a bushing made that will work. Thank you.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Sportsman
Picture of SC4400
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Curly, I’m having the exact same issue with my roadster. It too is SGI. I pulled the boot back and a small piece of nylon bushing fell out. Clearly there is supposed to be a support bushing on the passenger end but it has broken into pieces. I think the ball unscrew from the rack rod.

Rip


It's a dangerous time in America. The communists are inside the gates.
Our survival is not guaranteed.
 
Posts: 794 | Location: Lake Charles La | Registered: January 29, 2002Reply With QuoteReport This Post
DRR Sportsman
Picture of SC4400
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I unscrewed the complete tie rod from the cross rod. I found many pieces of broken plastic in the boot. It was only about 3/8 wide, real lame design. I'm going to make a bushing from bronze and lightly press it in the tube.

RIP


It's a dangerous time in America. The communists are inside the gates.
Our survival is not guaranteed.
 
Posts: 794 | Location: Lake Charles La | Registered: January 29, 2002Reply With QuoteReport This Post
DRR S/Pro
Picture of Big Steve
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I have the same Wilwood SGI Rack in my PST S10 but everything is tight
 
Posts: 2447 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
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Picture of Curly1
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quote:
Originally posted by SC4400:
Curly, I’m having the exact same issue with my roadster. It too is SGI. I pulled the boot back and a small piece of nylon bushing fell out. Clearly there is supposed to be a support bushing on the passenger end but it has broken into pieces. I think the ball unscrew from the rack rod.

Rip



Someone should machine some new bushings. I would buy some if they were available.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4060 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Sportsman
Picture of SC4400
posted Hide Post
I can make you one if you like, out of aluminum. Or get one made. OD 1.185, ID .840 .750 width.

light press fit into tube, perfect fit. Done.


It's a dangerous time in America. The communists are inside the gates.
Our survival is not guaranteed.
 
Posts: 794 | Location: Lake Charles La | Registered: January 29, 2002Reply With QuoteReport This Post
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