6Gang Automatik (c6vr)

[Denny]

Vielleicht ganz interessant. Im C6 Vette Registry Forum war zur kommenden 6Gang Automatik folgendes zu lesen:

this is from a dealer posting. I have some scant info that it is indeed correct. Apparently the 3LT-Lt option code is the old 1SB plus the Z51 package and navagation.
the big deal to me is MXO...apparently now 6 speed. I see no G90 option for the 3.15 axle. For what it is worth I captured the following...

1YY07 - Corvette: Coupe
Options:
10U-Arctic White, Exterior
19U-LeMans Blue Metallic, Exterior
41U-Black, Exterior
45U-Velocity Yellow
67U-Machine Silver Metallic, Exterior
71U-Daytona Sunset Orange Metallic
74U-Victory Red, Exterior
80U-Monterey Red, Exterior
023-Cobalt Red Leather
193-Ebony Leather
313-Cashmere Leather
843-Titanium Leather
1LT-LT Package Option 1
2LT-LT Package Option 2
3LT-LT Package Option 3
C2L-Roof Package, Dual Removable
CC3-Roof Panel, Removable, Transparent
F55-Magnetic Selective Ride Control
FE9-Federal Emissions
LS2-Engine, 6L, LS2, V8 SFI
MN6-Transmission, 6-Speed, Manual
MX0-Transmission, 6-Speed Auto
NE1-MA/ME/NY/VT Emissions
QG6-Wheels, Painted Aluminum
QG7-Wheels, Polished Aluminum
R8C-Corvette Museum Delivery
U2K-XM Satellite Radio
U3U-Sound System w/Navigation
UE1-OnStar System
US8-Sound System
US9-Sound System
VK3-License Plate Bracket, Front
YF5-California Emissions
Z51-Performance Package

...

I found some specs on the STS-V Hydra-Matic 6L80. It has a listed 430 lb-ft of torque capacity versus the current C6 4L65E of 380. The six speed in the caddy has a 258 mm torque converter versus 300 mm in the 4L65E. The fact that it has a torque converter says that GM went cheap versus the Audi twin countershaft model. The gear ratios of the 6 speed versus the (4 speed) are listed below. The lower gear ratio for the 6 speed first gear suggest to me that the G90 axle (3.15) probably won't be offered for 2006, which is consistent with the option list I published above.

1st gear 4.02 (3.06)
2nd gear 2.36 (1.63)
3rd gear 1.53 (1.00)
4th gear 1.15 (0.7)
5th gear 0.85 --
6th gear 0.67 --
reverse 3.06 (2.29)

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this is from a GM Powertrain posting...

GM Powertrain introduced its first 6-speed automatic in the 2001 Buick Bengal concept car.
Several 6-speed variants will be featured in GM vehicles worldwide.
The first 6-speed will debut in 2005 (applications to be announced at a later date)
New Technologies:

Clutch-to-clutch (the actual Caddy trans above has this for all shifts except the 1-2 shift which they call "freewheel shift".
Controls characterization
TEHCM – Transmission Electro/Hydraulic Controls Module
Shift-by-wire (ETRS)
Features:

Neutral idle
Automatic grade braking
Driver Shift Control (DSC)
Enhanced Performance Algorithm Shifting (PAS II)
Next-generation tow/haul mode
Benefits:

Fuel economy
Performance
Premium shift quality and driveability

...

I was about to order my C6 Monday but read about the new 6spped auto replacing the 4 spd. Any idea how soon this new tranny will become available?

...

Dealers can not order 2006 Corvettes until late June. The tranny will only be in the 2006 model year and that production doesn't start till September 9th.