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9bolt posi repair info

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Old 12-02-2004, 07:44 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
9bolt posi repair info

well I will give this a shot and see what you guys think. I had major major help with this so don't think I could have done this on my own.

I will have to use more than 3 pictures in this post so I hope the mods will leave this here until it is saved in the tech board. if some one can host the PDF file I will delete the pictures right away and save some space here.
Attached Thumbnails 9bolt posi repair info-9-bolt-posi-cone  
Old 12-02-2004, 07:45 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
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Last edited by 88 350 tpi formula; 12-02-2004 at 10:29 PM.
Old 12-02-2004, 10:29 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
I guess I can only show two of 5 but, it gives you a small Idea how the rest will look. and also says who helped well, did all the hard work of putting it togeather so people can understand it
Attached Thumbnails 9bolt posi repair info-9-bolt-posi-cone  
Old 12-03-2004, 01:05 AM
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Car: 87 IROC 92 Z-28 91 Ragtop
Engine: 5.7
Transmission: 700-r4
88 350 tpi formula -- Ok, I'll finish the uploads ... if the moderators have trouble posting the PDF [only 400K] maybe I'll host it on Yahoo if anyone is interested.
Attached Thumbnails 9bolt posi repair info-9-bolt-posicone-repair  
Old 12-03-2004, 01:06 AM
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Car: 87 IROC 92 Z-28 91 Ragtop
Engine: 5.7
Transmission: 700-r4
Here's page 4 of 5.
Attached Thumbnails 9bolt posi repair info-9-bolt-posicone-repair  
Old 12-03-2004, 01:07 AM
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Car: 87 IROC 92 Z-28 91 Ragtop
Engine: 5.7
Transmission: 700-r4
....dble post
Old 12-03-2004, 01:08 AM
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Car: 87 IROC 92 Z-28 91 Ragtop
Engine: 5.7
Transmission: 700-r4
Here's page 5 of 5 -- hey, a round of applause for 88 350 tpi formula, thanks to him we got to see some very complex stuff about 9-bolts that most of us never will dig into.
Attached Thumbnails 9bolt posi repair info-9-bolt-posicone-repair  
Old 12-04-2004, 01:39 AM
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Thank you gents, greatly appreciated.


Ed
Old 12-04-2004, 04:30 AM
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Car: 1988 gta
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and how! i just killed my 2nd 9 bolt posi carrier and thought i was going to have to finally buy the parts to put my 10 bolt back togather( broke some teeth off the pinnon and ring, and shattered 2 spider gears). this is a blessing. this is truly a day top rejoice! halaluya!
Old 12-04-2004, 01:03 PM
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Car: 87 IROC 92 Z-28 91 Ragtop
Engine: 5.7
Transmission: 700-r4
FYI the high-resolution tech file is hosted as a 400K PDF on the follow Duck-site:

http://www.geocities.com/luckyducky_...air30Nov04.pdf

Much better than the low-resolution images on the TGO pages.
Old 12-06-2004, 07:28 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
well, it looks like another good artical will be lost and forgotten. makes me wonder why we even have a tech artical section when they won't keep things like this
Old 12-06-2004, 08:23 PM
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Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: Strange 12 bolt 3.42
interesting ... good find

i have a posi unit from a 87 roc with 3.27 gears. gonna swap that into my 2.77 rear in spring

i am not doing it. dont wanna mess with it.

i would like to make sure everything is ok and it wont break later on for some reason. I not sure of what condition its in either. but looks pretty solid.

this article helps me understand whats inside of it and how it all works. i just got to get an installation kit with new bearings and i should be set. i will run it and see how it works. Reider Racing was the install kit but no price. i got to call them up sometime soon.

any idea how much new install kit would cost? something like 80-120 bucks or so?
Old 12-06-2004, 09:11 PM
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Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
much thanks guys. no rear end shop around here really wants to touch a 9 bolt due to not having much experience in them. those helped a lot. now just off to find some 4.10 gears for this thing.
Old 12-06-2004, 09:24 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
thanks for the complements we just wish it was kept on TGO where it belongs.
Old 12-06-2004, 11:19 PM
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Car: 87 IROC 92 Z-28 91 Ragtop
Engine: 5.7
Transmission: 700-r4
Originally posted by 88 350 tpi formula
well, it looks like another good article will be lost and forgotten. makes me wonder why we even have a tech section when they won't keep things like this :huh:
Guess I win the bet about MODs not being responsive, heh. I never did get a response to the PM's or emails I sent...

Shoots, just report the thread as being too useful, just to get attention.
Old 12-06-2004, 11:52 PM
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Thanks for the link, Ed...very nice work on the article.

no rear end shop around here really wants to touch a 9 bolt due to not having much experience in them.
I really don't understand why...unless they assumed they were rebuilding the posi, the gear setup is just like any other rearend so why be scared of it?


Ed
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