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Re: Who's ordering the Cg as an Automatic? (ilovecorvettec5's)
The C6 should had come with a better tranny, not an automatic 4. With the current SMG-style shifting being popular, The General should had added something to the C6 transmission to make it more appealing. Dont get me wrong, the A4 tranny was good and could take alot of punishment, but the fun factor is low when stock (untill you add a higher stall torque converter).
Pontiac has button shifting like the new Lexus, BMW has SMG, Porsche has sportronic, why cant the Vette have anything? I would consider an auto Vette if it has the sport shift feature. Going through gears without a clutch can be fun, esp in a daily driver or if youre stuck in traffic. Rowing thru gears in a two-hour traffic jam can be a test to somebody's patience.
Re: Who's ordering the Cg as an Automatic? (c5chris)
There is basically this same post under General Discussion. But I have to agree with you Chris. The C6 should have the option of paddle shifters or something similar. I would take this option if it was offered.
I had a C4 6spd & a C5 A4. Both of those were daily drivers. The 6spd was a pain in traffic. Not to mention the trans sounded like I was driving a Mack dump truck. Marbles in a can (piece of c--p!). But when I get a C6 it won't be a daily driver, just a weekend toy. If GM doesn't offer paddle shifting by the time I'm ready to buy then mine will probably be a 6spd.
Re: Who's ordering the Cg as an Automatic? (ilovecorvettec5's)
On my 3rd Vette now. First two were 6 speeds. My '04 is an auto. Really enjoy having one hand free at this stage in my life (not to mention not having to deal with a manual in heavy traffic) so my C6 will be an auto too.
In terms of the 4 speed tranny that GM will start production with... I've read several articles that says the General is in the process of "creating" a new 6 speed auto that can handle much higher torque loads. From what I recall, it is still a couple of years away.
Look at it this way, when the new auto comes out, it will give us lots to talk about and a reason for some of us to buy a new Vette. :hurray:
From: When all is said and done... there is a hell of a lot more said than done. Riverside,Texas
St. Jude Donor '05 thru '26
Re: Who's ordering the Cg as an Automatic? (GNX#424)
I've read several articles that says the General is in the process of "creating" a new 6 speed auto that can handle much higher torque loads. From what I recall, it is still a couple of years away.
Look at it this way, when the new auto comes out, it will give us lots to talk about and a reason for some of us to buy a new Vette. :hurray:
Re: Who's ordering the Cg as an Automatic? (Another Yellow)
Another Yellow,
I don't believe that this comment is true:
Plus, the C6 automatic can handle the 400 lb. ft. of torque of the LS2. The C5 automatic was limited to 360 lb. ft.
My understanding is that the C6 auto can only handle 380 ft lb's of torque and that engine management will be used to dial back torque during shifting. However, the General has NOT said what they are going to do to deal with the auto's lower torque capability.
Re: Who's ordering the Cg as an Automatic? (GNX#424)
GNX#424
You are correct in saying that there has been no official word about the 380 lb. ft. rating on the automatic and the 400 lb. ft. output of the LS2. Dave Hill was asked this question at the Detroit Auto Show and his answer implied that the automatic would be able to handle the engine torque. Perhaps they are working on something to make this possible. :cheers:
Re: Who's ordering the Cg as an Automatic? (Another Yellow)
Another Yellow,
I think you may be right... Read this input from Alex D in the C5 forum:
[I found a great article that showed the differences between the 4L60E and 4L65E. it is on page 51 of the November issue of Super Chevy magazine.
The article notes that the 4L60E is limited to 360 ft.lbs. engine torque. the 4L65E is limited to 380 ft.lbs. in truck applications (Escalade etc.) because of the hefty weight of these vehicles. It also mentions that once installed in cars engine torque limit would be around 400 ft.lbs. (read C6!).
The 4L65E is available from Gm as a service item for people wanting to replace their 4L60E P/N is 24221888
The differences between the 4L65E vs. the 4L60E are:
- Five pinion gears for reaction and input gear sets instead of four
- Input sun gears made from powdered metal
- Heat treated stator shaft splines
- Induction hardened turbine shaft
- Heavier duty low/reverse roller clutch
- Additional friction plate added to the 3-4 clutch (7 plates vs. 6)
- Shot peened output shaft
- Revised valve body calibration
Most significant improvemnet is the use of the five pinion gears for input and reaction gearsets.]
Sure hope you guys are right and 400 ft lb's are available. This would be one time I would really like to be wrong. :D
Re: Who's ordering the Cg as an Automatic? (GNX#424)
:thumbs: Good article. Less weight to move might enable the transmission to be rated for a higher torque on the C6. When the LS1 went to 375 lb. ft., GM clearly indicated the automatic would be 360 because the transmission couldn't handle more. There has been no mention of a reduced torque for the C6 with automatic. I think this whole thing started with reporters knowing about the 380 limit and it was their interpretation that engine management would be necessary. Again, Dave seemed not to be concerned. :)
Re: Who's ordering the Cg as an Automatic? (Another Yellow)
Again, Dave seemed not to be concerned. :)
[Modified by Another Yellow, 2:27 AM 2/10/2004]
Of course Dave's not concerned. I assume you mean Dave Hill the GM engineer. If he drives a Vette and blows a trans, in or out of warranty, guess who pays to fix it. :banghead: :banghead: :banghead: :banghead:
Re: Who's ordering the Cg as an Automatic? (scool93535)
Excuse me, but Dave Hill is not concerned because he knows the automatic will be able to handle the 400 lb. ft. of torque when the C6 is ready for sale.
Re: Who's ordering the Cg as an Automatic? (GNX#424)
your right about the torque in different vehicles, the heavyer the vehicle the more load on the trans during acceleration, its not just the engine, its the tires, the weight the engine and any rotating parts along the line. It is very concevable that a 3200lb corvette would not put the same load, even with stickyer tires, then a 6000lb suburban...
Re: Who's ordering the Cg as an Automatic? (GNX#424)
With all the mods on my Trans Am w/ a 4L60E I dyno'd at 385 RWTQ and on nitrous I was at 507 RWTQ. I ran for 2 years on this set up on the street and track before I sold it and my tranny was fine.
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