Drivetrain Transmission, LSD, Clutch, Driveline, Axles...

LSD Swap

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Old 11-06-2007, 06:45 PM
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LSD Swap

I have a G85 transmissiona nd a non lsd transmission sitting here

Am i able to just open up both transmissions, take the lsd from the g85 and swap it into the non-g85?

thanks in advance
Old 11-06-2007, 06:47 PM
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someone else on here did something like that....

so, i guess it IS possible, how much work, well, that's a horse of a different colour...
Old 11-06-2007, 07:14 PM
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im just wondering if you need to change any bearing races or anything like that
Old 11-09-2007, 08:41 AM
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I have a question sorry but yea its a noob question what is LSD? please don't say a drug
Old 11-09-2007, 08:43 AM
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Limited slip differential
Old 11-09-2007, 08:56 AM
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In an open diff (what all Cobalts except SS/SC's w/the G85 package have), the only wheel that gets power is the passenger side wheel. So if for some reason, that wheel loses traction, you lose power. With a Limited Slip Differential, BOTH front wheels get power, so that if one loses traction, you still have power to the other one.

trialskid, you're GROSSLY oversimplifying the process. It takes a LOT of work to tear down a tranny to install an LSD. And yes, there are some bearings that come into play I believe.

My question is if you have both trannies, why not just put the LSD tranny in the car and call it a day?
Old 11-09-2007, 08:58 AM
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both wheels get power but it goes to the one slipping less while an lsd sends power back to the slipping wheel
Old 11-09-2007, 02:15 PM
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Originally Posted by alleycat58
In an open diff (what all Cobalts except SS/SC's w/the G85 package have), the only wheel that gets power is the passenger side wheel. So if for some reason, that wheel loses traction, you lose power. With a Limited Slip Differential, BOTH front wheels get power, so that if one loses traction, you still have power to the other one.

trialskid, you're GROSSLY oversimplifying the process. It takes a LOT of work to tear down a tranny to install an LSD. And yes, there are some bearings that come into play I believe.

My question is if you have both trannies, why not just put the LSD tranny in the car and call it a day?
lsd tranny has a crack in the case
Old 11-09-2007, 02:19 PM
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Originally Posted by alleycat58
In an open diff (what all Cobalts except SS/SC's w/the G85 package have), the only wheel that gets power is the passenger side wheel. So if for some reason, that wheel loses traction, you lose power. With a Limited Slip Differential, BOTH front wheels get power, so that if one loses traction, you still have power to the other one.
both wheels get power in a non/lsd.....
just if 1 loses traction it doesnt transfer more power to the gripping wheel thats all.
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