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F35 Lsd Help With Install!!

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Old 01-19-2009, 11:54 PM
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F35 Lsd Help With Install!!

I Give up i cant find anything on how to put one in, iv been searchin everywhere and some guidance would be nice.. My Motor is out for build and turbo swap, and I dont kno how to install the LSD, I have 07 SS/SC...... plz help
Old 01-19-2009, 11:58 PM
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i honestly would reccommend having a transmission shop do that. I think you need specific tools for the F35. PM LSJwannabe, he's had his apart a few times.
Old 01-20-2009, 12:07 AM
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if you gotta ask, take it into a shop. unless you have experiance with fwd standard transmissions its real easy to mess stuff up.

as for special tools, sometimes you need them sometimes you dont. i work at a transmission shop, if we had every special tool that was called for to do a job that goes through the shop there would be a warehouse will at least half a million bucks in tools in it. most of the time you can make stuff work just fine. the biggest thing is knowing what and how to make something work without causing damage.
Old 01-20-2009, 12:49 AM
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I kno it takes special tools, "j tools" from what iam told, i can get my hands on them... anybody got a price for shop to do this? good job that is
Old 01-20-2009, 08:14 AM
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Most shops won't even touch these. That's your first hurdle. Second hurdle is you're probably looking at $800-1500 just in labor to do it.
Old 01-20-2009, 02:47 PM
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thats promising news..... well i could always just duct tape the LSD to the side of the tranny, and say i have it...
Old 01-20-2009, 02:51 PM
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I dunno, I heard of two people around here that had it done, and from what I heard it wasnt rocket science. When I had my SC I didnt have the LSD so I was closely watching how these swaps went. The first transmission shop my buddy called said "no problem", but warned that its a tedious (not hard) job to do right. I think he paid 400 in labor. The other did it himself with an uncle. There's lots of hope here apparently it wasnt that tough, just time consuming. That limited slip is designed to go on our car, thats half the battle, fitment.
Old 01-20-2009, 02:57 PM
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i having trouble finding ppl to do it, which im sure the world certified gm techs that i have with me on my build have some idea but have never done one, but i don't wanna risk messing **** up, i want it done right, cause im gonna have a lot of power running thru the tranny..
Old 01-20-2009, 03:07 PM
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Originally Posted by SloBaLt RiDeR
i having trouble finding ppl to do it, which im sure the world certified gm techs that i have with me on my build have some idea but have never done one, but i don't wanna risk messing **** up, i want it done right, cause im gonna have a lot of power running thru the tranny..
**** it man, get that 6 speed conversion already swapped into an LSD case and have it cryoed. Gonna do it, and do it big, then do it right the first time. Has anyone done that 6 speed swap yet?? My mouth waters just thinking about cruising at 80mph in 6th saving mucho gas...
Old 01-20-2009, 03:10 PM
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^^^^ Im already spending 10 grand, i dont have another 6 grand on tranny, and not worth it.... way over priced
Old 01-20-2009, 03:13 PM
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I have looked into this many times.... get a LSD tranny and swap the whole tranny.... it should run you less than LSD + install
Old 01-20-2009, 03:14 PM
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got the lsd at a steal price
Old 01-20-2009, 03:16 PM
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actualy, the 6th gear on the 6 speed isnt much different from 5th on an ss/sc. the benifit is that it makes the tranny a close ratio wich is better for road racing.
Old 01-20-2009, 10:03 PM
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Originally Posted by SloBaLt RiDeR
i having trouble finding ppl to do it, which im sure the world certified gm techs that i have with me on my build have some idea but have never done one, but i don't wanna risk messing **** up, i want it done right, cause im gonna have a lot of power running thru the tranny..
You live near me, come on in 600 cdn plus parts

To do this you need to buy, to do a differential exchange or synchro replacement:
spacer kit this is a collapsible spacer: 55352125 for the main shaft, and two differential case bearings: 12788353, and 5th gear nut 12755195 The reason you need the collapsible spacer is that is a torque to yield spacer that determines main shaft end float and if you reuse the old one the end float will be too much and the synchro's will clash etc. The reason you need differential bearings is that you cannot easily remove the old ones from the old diff without damage, to reinstall in the new differential. The nut should be changed as it is peened to prevent getting loose, and the gasket 90486235 generally gets damaged when you remove the end case


The spacer kit, the main shaft nut and gasket for the end case along with a tube of special anaerobic sealer is needed; The sealer you need to assemble the case back together and the parts run well over $125.00 ( the bearings alone are 60 bucks each)
Old 01-20-2009, 11:16 PM
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thank you, you got a website for this? and those numbers, are they gm part numbers?
Old 01-21-2009, 12:06 AM
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Just take it to qwikredline. The guy knows what he is doing.
Old 01-22-2009, 01:04 AM
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i just opened the lsd today that i got and the end bearings are rusty and need to be replaced.... qwikredline ill be emailin you...
Old 01-22-2009, 09:37 AM
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Originally Posted by SloBaLt RiDeR
thank you, you got a website for this? and those numbers, are they gm part numbers?
gm numbers.....powellmotorsport.com or powellraceshop.com (under construction)
Old 01-22-2009, 09:40 AM
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Originally Posted by SloBaLt RiDeR
thats promising news..... well i could always just duct tape the LSD to the side of the tranny, and say i have it...
or put it in the trunk... that's easier
Old 01-22-2009, 01:53 PM
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^^^lol i just love duct tape thou, gives me a real sense of accomplishment.....lol
Old 01-23-2009, 01:21 AM
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Originally Posted by ecotecon18s
**** it man, get that 6 speed conversion already swapped into an LSD case and have it cryoed. Gonna do it, and do it big, then do it right the first time. Has anyone done that 6 speed swap yet?? My mouth waters just thinking about cruising at 80mph in 6th saving mucho gas...
Research it more. The final drive is almost exactly the same, it only makes the first few gears shorter.
Old 01-23-2009, 01:30 AM
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yea not worth it in my opinion, askin waaaayyy to much money for that 6speed..

Anybody kno where i can get the tranny cryoed?
Old 01-26-2009, 03:42 AM
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anybody.... on how much it costs to have tranny cryoed?
Old 01-26-2009, 03:49 AM
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Originally Posted by qwikredline
You live near me, come on in 600 cdn plus parts

To do this you need to buy, to do a differential exchange or synchro replacement:
spacer kit this is a collapsible spacer: 55352125 for the main shaft, and two differential case bearings: 12788353, and 5th gear nut 12755195 The reason you need the collapsible spacer is that is a torque to yield spacer that determines main shaft end float and if you reuse the old one the end float will be too much and the synchro's will clash etc. The reason you need differential bearings is that you cannot easily remove the old ones from the old diff without damage, to reinstall in the new differential. The nut should be changed as it is peened to prevent getting loose, and the gasket 90486235 generally gets damaged when you remove the end case


The spacer kit, the main shaft nut and gasket for the end case along with a tube of special anaerobic sealer is needed; The sealer you need to assemble the case back together and the parts run well over $125.00 ( the bearings alone are 60 bucks each)
To the OP

For him to offer to work on you Cobalt...and do this for you...seriously your car couldn't be in better hands.
Old 01-26-2009, 03:51 AM
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Originally Posted by qwikredline
gm numbers.....powellmotorsport.com or powellraceshop.com (under construction)
Wow, that new site is going to look great John.

Originally Posted by steddy2112
To the OP

For him to offer to work on you Cobalt...and do this for you...seriously your car couldn't be in better hands.
Seriously, that is the truth.

Last edited by ls1fbody; 01-26-2009 at 03:51 AM. Reason: Automerged Doublepost


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