C6 rear/differential 2005 to 2006 Changes.
Thread Starter
Drifting
Joined: May 1999
Posts: 1,370
Likes: 12
From: Garwood NJ
C6 rear/differential 2005 to 2006 Changes.
Here are a few changes between the 2005 and 2006 C6 rear diffs.
The pinion support is re enforced on the 2006 (left).
The speedo reluctor behind the ring gear on the 2005 (right) is now just a spacer on the 2006 (left), the sensor was relocated over the ring gear teeth.
The 2006 trans mounting has been widened and re enforced.
The 2006 housing has more webbing/support.
Both output shafts are splined into the side gears on the 2006.
The 2006 (bottom) output shaft is stronger, it's not narrowed after the splines like on the C5, and 2005 C6 (top).
HTH, Julio
The pinion support is re enforced on the 2006 (left).
The speedo reluctor behind the ring gear on the 2005 (right) is now just a spacer on the 2006 (left), the sensor was relocated over the ring gear teeth.
The 2006 trans mounting has been widened and re enforced.
The 2006 housing has more webbing/support.
Both output shafts are splined into the side gears on the 2006.
The 2006 (bottom) output shaft is stronger, it's not narrowed after the splines like on the C5, and 2005 C6 (top).
HTH, Julio
Last edited by tekhombre; Oct 4, 2005 at 07:23 PM.
Melting Slicks
Joined: Nov 2003
Posts: 2,312
Likes: 82
From: Ridgeland MS
St. Jude Donor '06-'07-'08-'09-'10-'11
Great info Julio - I wonder if that change to add stregnth is to support the additional HP of the Z06? Or does the Z get a different center section?
Bill
Bill
Team Owner
Joined: Feb 2001
Posts: 27,254
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From: Short Hills, NJ
Originally Posted by dollarbill
Great info Julio - I wonder if that change to add stregnth is to support the additional HP of the Z06? Or does the Z get a different center section?
Originally Posted by 1955 BelAir
Were these running changes perhaps??
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Tech Contributor
Joined: Mar 2003
Posts: 12,094
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From: Colorado Springs, CO
St. Jude Donor '08-'09-'10-'11
Originally Posted by dollarbill
Great info Julio - I wonder if that change to add stregnth is to support the additional HP of the Z06?
Bill
Bill
Collections Hold
Joined: Aug 2002
Posts: 2,899
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From: Fort Wayne Indiana
Originally Posted by Triple Black C6
Wow I find that very interesting. I assume if we order the DTE or others it will be as strong and updated?
Best Regards,
DTE
Burning Brakes
Joined: Sep 2005
Posts: 946
Likes: 0
From: Richardson TX.
Originally Posted by LS1LT1
Possibly but I don't think so, it would've had to have been a very late 2005 change...there was a slight O ring/cover change within the 2005 run I think.
Race Director
Joined: Oct 2004
Posts: 10,089
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Originally Posted by LS1LT1
Same one, I'm thinking that all new 6 speeds (and maybe even automatics) will have the upgraded rear as pictured above.
Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 137
From: Short Hills, NJ
Originally Posted by ZZR1200
Same one? Which one?
Originally Posted by shopdog
I'd say especially the automatics. There was some concern that with all the extra torque multiplication in the A6's first gear, the diff would be under a lot more stress. Seems GM thought that way too, and beefed up the diff to handle it.
