LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Gears

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Old Oct 28, 2013 | 11:10 PM
  #1  
Chet1185's Avatar
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From: Pennsylvania
Gears

I've had this in the drivetrain section with no responses. Figured you guys would know anyway.

my rear blew out a while back while I was going around a turn. Everything in the differential was destroyed. I bought a torsen unit and had it installed. No issues with it. It has 2.73 gears.

How do I change the gears on it? I would like some 3.73

Sorry if its a stupid question, I don't know anything about it.

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Last edited by Chet1185; Oct 29, 2013 at 06:13 AM.
Old Oct 29, 2013 | 11:44 AM
  #2  
Injuneer's Avatar
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Re: Gears

With the Auburn rear the carrier series has to match the gears, or you have to buy special gears. Don't know if the Torsen has a similar requriement. Anything 3.08 or lower in the Auburn has a 2-series carrier. 3.73 gears require a 3-series carrier, or you have to buy a set of 3.73 gears made for the 2-series.

I personally would not attempt my own gear install, and I have been working on cars as a hobby for 50 years. One error and you end up with gears that howl like a banshee. And once they howl you may never get them set up right.

You would need a 3.73 ring and pinion (~$200)

You would need an install kit with new bearings, lube, limited slip additive (not sure if the Torsen requires that), crush sleeve, etc ($75 - 125 depending how complete)

Install will run $250-350.

You could try it yourself using one of the decent online videos that shows you how.
Old Oct 29, 2013 | 12:18 PM
  #3  
Chet1185's Avatar
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Re: Gears

What came in the 95 rear? I bought the torsen off ebay, don't know what it came out of, but the shop had no trouble installing it.

Ok I'll probably just leave the car stock. I have no clue about any of that stuff. Thanks for the response fred.


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Old Oct 29, 2013 | 01:44 PM
  #4  
KW Baraka's Avatar
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From: San Antonio, Tx
Re: Gears

Originally Posted by Chet1185
What came in the 95 rear.......
Originally Posted by Injuneer
With the Auburn rear the carrier series has to match the gears......
And yes.....your first gear install shoud REALLY be supervised by someone with experience in installing gears.

If you take the car to a shop (Truck Stops are good ) they should charge you their hourly rate times 3 or 4 hours.

Best of luck!

KW
Old Oct 29, 2013 | 01:49 PM
  #5  
Chet1185's Avatar
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From: Pennsylvania
Re: Gears

The shop I take mine to, I used to work for them. It is a trucking company but the owner and his friends build race cars. He loves his old camaros.I do everything to my car but I wouldn't attempt gears. I just trying to find out what I need to get to do it.

Any good deals on complete rears? Car does have traction control.


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