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Old 03-19-2009, 04:00 PM   #1
longrodlx
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Default Do Z51 C6's with the automatic transmission come with 3.42s?

I am buying a 07 C6 with the F55 magnetic ride because I want the adjustability and smoother ride over the Z51 after owning a C5 with Z51. I was just wondering if the Z51 with the 6 speed auto's come with 3.42 gears like the MN6? I found the exact car I want and it comes with the bigger crossdrilled brakes and I am going to do either Z51 or Z06 swaybars once I get it but just wondering about the gears.

And I dont care about Z51 this and that or how much cooler they are or anything about badges. I am not going to be installing any retarded aftermarket badges on my corvette. Also the only thing I need to know is about the gears...I know about the rest of the Z51 package. I know how these Z51 threads can get out of hand

thanks
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Old 03-19-2009, 04:01 PM   #2
JimTN
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No. They come with 2.73 rear axle ratio.
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Old 03-19-2009, 04:04 PM   #3
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Old 03-19-2009, 04:06 PM   #4
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Default

Quote:
Originally Posted by longrodlx View Post
I am buying a 07 C6 with the F55 magnetic ride because I want the adjustability and smoother ride over the Z51 after owning a C5 with Z51. I was just wondering if the Z51 with the 6 speed auto's come with 3.42 gears like the MN6? I found the exact car I want and it comes with the bigger crossdrilled brakes and I am going to do either Z51 or Z06 swaybars once I get it but just wondering about the gears.

And I dont care about Z51 this and that or how much cooler they are or anything about badges. I am not going to be installing any retarded aftermarket badges on my corvette. Also the only thing I need to know is about the gears...I know about the rest of the Z51 package. I know how these Z51 threads can get out of hand

thanks
O.k.,

2005 Non Z51 Manual 3.42
2005 Z51 Manual 3.42
2005 Non Z51 Automatic 2.73
2005 Z51 Automatic 2.73
2005 Optional performance axle ratio available for A4 automatics, 3.15 (Z51 or non).

2006 - 2007 Non Z51 Manual 3.42
2006 - 2007 Z51 Manual 3.42
2006 - 2007 Non Z51 Automatic 2.56
2006 - 2007 Z51 Automatic 2.56

2008 - 2009 Non Z51 Manual 3.42
2008 - 2009 Z51 Manual 3.42
2008 - 2009 Non Z51 Automatic 2.56
2008 - 2009 Z51 Automatic 2.73
2008 - 2009 Optional performance axle for A6 automatics 2.73 (Z51 or non)
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Old 03-19-2009, 04:11 PM   #5
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It comes with the 2.73 with the z51 with the A6. Standard a6 is the 2.56

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Old 03-19-2009, 10:27 PM   #6
blocc monster
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it comes wit 2.56 only 2008 and up z51s had 2.73. im 100% sure people say 06 and 07 have 2.73 but they dont know what their talking about!
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Old 03-19-2009, 10:41 PM   #7
pettvette
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Quote:
Originally Posted by blocc monster View Post
it comes wit 2.56 only 2008 and up z51s had 2.73. im 100% sure people say 06 and 07 have 2.73 but they dont know what their talking about!
You are correct.... and don't let the 2.56's scare you... I went 12.1 at almost 117 mph with a pure stock 08 with the 2.56's
__________________
1995 Cp. Stock A4 3.07 gears... Best et - 60 ft = 1.93...1/8 = 8.56@85.16...1/4 = 13.38@ 104.91...Sold

2001 Cp. Corsas 6mn Z51... Best et - 60ft = 2.11...1/8 = 8.60@86.48...1/4 = 13.16@ 109.80...Sold

2008 Cp. Stock A6 2.56 gears... Best et - 60ft = 1.879...1/8 = 7.81@ 93.48...1/4 = 12.01@ 121.08
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Old 03-19-2009, 10:53 PM   #8
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No. They come with 2.73 rear axle ratio.
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Old 03-19-2009, 11:36 PM   #9
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I've got an 07 Z51 A6 and I can tell you it comes with 2.56's
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Old 03-19-2009, 11:36 PM
 
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