Home » Public Forums » GMCnet » offset bushings (Backwards?)
offset bushings [message #362058] |
Thu, 28 January 2021 19:10 |
skip2
Messages: 544 Registered: September 2011 Location: Winter Haven,FL (center o...
Karma: 3
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After all this time I am doubting that I put my offset bushings in correctly on my upper A arms. I've got them in the rear with the supposed arrow (the fat spot) toward the ball joint, the bolt inboard. I hope I've got it wrong, it will explain alot. Just makes since the way I've got them, but cranial anal inversion is nothing new to me. Any definitive answers on this. All the research I've done says I'm backwards.Thanks.
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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Re: offset bushings [message #362060 is a reply to message #362058] |
Thu, 28 January 2021 20:48 |
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RF_Burns
Messages: 2277 Registered: June 2008 Location: S. Ontario, Canada
Karma: 3
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From what you describe, arrow towards to ball joint, so the thickest part of the bushing is towards the ball joint, then you have them installed wrong.
You want the upper ball joint to move as far back as possible, so the rear arm is as close to the frame as possible, so you want to thickest part of the bushing towards the frame to bring the arm in further.
http://www.gmcmhphotos.com/photos/hubler-1-ton/p39152-offset-small.html
Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC. 1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that
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Re: offset bushings [message #362061 is a reply to message #362058] |
Thu, 28 January 2021 20:48 |
JohnL455
Messages: 4447 Registered: October 2006 Location: Woodstock, IL
Karma: 12
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In the rear position, you want the arm more inboard, so hole in rubber outboard.
John Lebetski
Woodstock, IL
77 Eleganza II
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Re: [GMCnet] offset bushings [message #362062 is a reply to message #362058] |
Thu, 28 January 2021 20:46 |
Ken Henderson
Messages: 8726 Registered: March 2004 Location: Americus, GA
Karma: 9
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Skip,
For what it's worth (not much according to some of my later posts), I think
you've described eccentric bushings installed correctly at the rear of the
A-arm. But what you really should do, is get under there and visualize
whether there's any other arrangement that would move the upper ball joint
toward the REAR. If there is, you need a change, 'cause the farther that
joint moves aft, the more positive caster you get.
Ken H.
On Thu, Jan 28, 2021 at 8:11 PM Skip Hartline via Gmclist <
gmclist@list.gmcnet.org> wrote:
> After all this time I am doubting that I put my offset bushings in
> correctly on my upper A arms. I've got them in the rear with the supposed
> arrow
> (the fat spot) toward the ball joint, the bolt inboard. I hope I've got it
> wrong, it will explain alot. Just makes since the way I've got them, but
> cranial anal inversion is nothing new to me. Any definitive answers on
> this. All the research I've done says I'm backwards.Thanks.
>
> Skip Hartline
>
> --
> 74 Canyon Lands, FiTech,
> 3.7 FD, Manny Tranny,
> Springfield Distributor,
> 2001 Chevy Tracker Ragtop Towd
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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Re: offset bushings [message #362094 is a reply to message #362058] |
Fri, 29 January 2021 18:51 |
skip2
Messages: 544 Registered: September 2011 Location: Winter Haven,FL (center o...
Karma: 3
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Definitely have them in backwards, so I have driving with zero caster for 10 years now, it sure 'splains alot. When I get them changed out I will report back. I believe what I did was follow the directions that came with the bushings and didn't follow my common sense and instincts. Thanks to those that replied. And all who want to make comments, go ahead, I deserve them.
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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Re: [GMCnet] offset bushings [message #362096 is a reply to message #362094] |
Fri, 29 January 2021 19:29 |
Ken Henderson
Messages: 8726 Registered: March 2004 Location: Americus, GA
Karma: 9
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Skip,
Don't feel TOO bad. I think what you did is follow the markings and
information in the documentation and on the bushings, i.e., pointing the
arrow at the ball joint. BUT, that arrow was put there for installation in
the FRONT of the A-arm, not the rear as seems to be the most common
location -- despite what Moog and others recommend. It IS confusing if I'm
not looking directly at the parts and exactly understand the geometry.
Ken H.
On Fri, Jan 29, 2021 at 7:52 PM Skip Hartline via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Definitely have them in backwards, so I have driving with zero caster for
> 10 years now, it sure 'splains alot. When I get them changed out I will
> report back. I believe what I did was follow the directions that came with
> the bushings and didn't follow my common sense and instincts. Thanks to
> those that replied. And all who want to make comments, go ahead, I deserve
> them.
> Skip Hartline
> --
> 74 Canyon Lands, FiTech,
> 3.7 FD, Manny Tranny,
> Springfield Distributor,
> 2001 Chevy Tracker Ragtop Towd
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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Re: [GMCnet] offset bushings [message #362101 is a reply to message #362096] |
Sat, 30 January 2021 08:11 |
skip2
Messages: 544 Registered: September 2011 Location: Winter Haven,FL (center o...
Karma: 3
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Senior Member |
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I was doing some research on other sites that use these bushings and found that Moog had designed them originally to be use in front and rear together to correct "camber" so those directions that come with them are totally bas ackwards for our application.
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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Re: offset bushings [message #362102 is a reply to message #362058] |
Sat, 30 January 2021 08:20 |
skip2
Messages: 544 Registered: September 2011 Location: Winter Haven,FL (center o...
Karma: 3
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Senior Member |
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I was doing some research on other sites that use these bushings and found that Moog had designed them originally to be use in front and rear together to correct "camber" so those directions that come with them are totally bas ackwards for our application.
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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Re: [GMCnet] offset bushings [message #362104 is a reply to message #362102] |
Sat, 30 January 2021 11:02 |
Keith V
Messages: 2337 Registered: March 2008 Location: Mounds View,MN
Karma: 0
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Man I sure hope I did that too. I'm good at following directions.
But I have zero caster. Now I just have to wait till spring 🙁
________________________________
From: Gmclist on behalf of Skip Hartline via Gmclist
Sent: Saturday, January 30, 2021 8:20 AM
To: gmclist@list.gmcnet.org
Cc: Skip Hartline
Subject: Re: [GMCnet] offset bushings
I was doing some research on other sites that use these bushings and found that Moog had designed them originally to be use in front and rear together
to correct "camber" so those directions that come with them are totally bas ackwards for our application.
Skip Hartline
--
74 Canyon Lands, FiTech,
3.7 FD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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