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Old 07-21-2014, 01:43 PM   #1
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Transmission and 1LE option will determine if I get a 6th Gen. Camaro.

Although engine options are basically known already... Turbo 4, 6 cyl., and 8 cyl. (LT1), what will really make me want to sell my 2014 1LE 5th Gen. and get a 6th Gen. Camaro will be what transmission options they have to go along with the LT1 V8. I will be looking to see if they offer the new 8-speed automatic or the rev-matching manual trans.

As far as design, I am not to worried because I don't think they ever made an ugly Camaro, unlike C3 and C4 Corvettes, but what I am really interested to see are transmission and 1LE performance options.
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Old 07-21-2014, 02:02 PM   #2
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Not to be a smarty pants, but rev matching a manual on downshifts is not that hard to do. I know you could get it after just a bit of practice. There is no way they are going to put an automatic in a track car, and I do not think the price would work for a dual clutch semi-auto. Go for the manual and practice your rev-matching. You can do it!
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Old 07-21-2014, 02:06 PM   #3
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Originally Posted by gajagfan View Post
There is no way they are going to put an automatic in a track car
What about the 2015 Z06

Anyway, I would prefer the manual, but not having the rev-matching manual option is sort-of not keeping up with technology.
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Old 07-21-2014, 02:08 PM   #4
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What about the 2015 Z06

Anyway, I would prefer the manual, but not having the rev-matching manual option is sort-of not keeping up with technology.
yeah even some sportier compact cars have it!
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Old 07-21-2014, 03:37 PM   #5
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rev-matching manual trans.

Rev-matching is a nice feature. I had it in my 370z, had to relearn blipping the throttle when I got my M3.
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Old 07-21-2014, 04:18 PM   #6
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Not to be a smarty pants, but rev matching a manual on downshifts is not that hard to do. I know you could get it after just a bit of practice. There is no way they are going to put an automatic in a track car, and I do not think the price would work for a dual clutch semi-auto. Go for the manual and practice your rev-matching. You can do it!
Auto trannys have come a long way.....I'm not so sure that manuals will beat auto tranny's in the near future.....
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Old 07-21-2014, 04:29 PM   #7
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6th GEN - SS - 1le - 7 or 8-speed automatic - c7 exhaust - thicker / heated steering wheel - larger touch screen
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Old 07-21-2014, 04:32 PM   #8
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Originally Posted by KaBoom1701 View Post
Auto trannys have come a long way.....I'm not so sure that manuals will beat auto tranny's in the near future.....

How would an auto trans know when I want to be in too high a gear to cut torque multiplication?
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Old 07-21-2014, 06:12 PM   #9
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There is something about an automagic in a large muscle car with IRS on the street...I don't know. A stripped down 4th gen with a built engine, big torque converter, solid rear axle and a 4 speed auto makes tons of sense, but a 6th gen with an 8 speed? That exists because Americans don't know how to drive manuals anymore. It just doesn't fit well IMO. Whatever they do with the manual transmission option, I am hoping the clutch travel is half of what it is now. I have no idea why you have to push the clutch in so far before the sweet spot. Most clutches I've felt have half the travel. It's insane. GM please fix!
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Old 07-21-2014, 06:44 PM   #10
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I agree with crafty clutch comments except on zl1.. that was.a damn nice clutch .
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Old 07-21-2014, 06:53 PM   #11
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Seriously big headlights and nicely designed taillights like the one on 2010-2013, at least 350 hp v6 and also lighter weight would make me consider the 2016 Camaro, otherwise I could go Mustang...
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Old 07-21-2014, 11:11 PM   #12
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Originally Posted by gajagfan View Post
Not to be a smarty pants, but rev matching a manual on downshifts is not that hard to do. I know you could get it after just a bit of practice. There is no way they are going to put an automatic in a track car, and I do not think the price would work for a dual clutch semi-auto. Go for the manual and practice your rev-matching. You can do it!
Why not put an automatic in a track car? F1 cars are paddle shifted automatics! Chevy is in the business of selling cars and I bet they would sell a boat load of 1LE automatics. If the customer wants to track their car and they want a 6 speed manual then just don't check the box that says automatic.
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Old 07-21-2014, 11:18 PM   #13
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Originally Posted by gajagfan View Post
Not to be a smarty pants, but rev matching a manual on downshifts is not that hard to do. I know you could get it after just a bit of practice. There is no way they are going to put an automatic in a track car, and I do not think the price would work for a dual clutch semi-auto. Go for the manual and practice your rev-matching. You can do it!
Rev matching is super easy, what's not easy is heel toe. With the rev matching feature you can be hard on the brakes and just switch gears while the car takes care of the rest. Lazy? maybe, but fun and convenient for sure.
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Old 07-22-2014, 05:58 AM   #14
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DCT, keep hoping. Best of both worlds.
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Old 07-22-2014, 07:42 AM   #15
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Originally Posted by SIN R G View Post
Why not put an automatic in a track car? F1 cars are paddle shifted automatics! Chevy is in the business of selling cars and I bet they would sell a boat load of 1LE automatics. If the customer wants to track their car and they want a 6 speed manual then just don't check the box that says automatic.
F1 cars are not automatics at all sir. They are a dual clutch type manual transmission with paddle shifters. This is the big misunderstanding. A dual clutch transmission, like many of the foreign sports car manufacturers use is not an automatic in the sense of what we have in many american cars and trucks. The only similarity is that it does not have a clutch pedal as far as I know. I am all for a dual clutch transmission, but I do not think GM can do it for a sub $40K car.
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Old 07-22-2014, 07:46 AM   #16
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Rev matching is super easy, what's not easy is heel toe. With the rev matching feature you can be hard on the brakes and just switch gears while the car takes care of the rest. Lazy? maybe, but fun and convenient for sure.
Please explain the difference. And not to say something you already know, but heal toe is actually ball of foot on brake and pinky toe area on throttle. To me, that is what I mean by rev matching. You are braking and downshifting, left foot on clutch and right ball of foot on brake, while blipping the throttle with your right pinky toe. Are you simply referring to rev matching without braking? I had not even thought of that.
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Old 07-22-2014, 09:55 AM   #17
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Please explain the difference. And not to say something you already know, but heal toe is actually ball of foot on brake and pinky toe area on throttle. To me, that is what I mean by rev matching. You are braking and downshifting, left foot on clutch and right ball of foot on brake, while blipping the throttle with your right pinky toe. Are you simply referring to rev matching without braking? I had not even thought of that.
Yes. I know it's not actually heel toe but that's the common term. Yes I'm referring to just rev matching without braking. Obviously not something you do in the middle of a hard turn. Similar to how you would drop down a gear on the freeway, rev match without the brake. Just a throttle blip.

My only point is, active rev match just makes it easy for the average joe to row through gears and look like a pro.
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Old 07-22-2014, 11:16 AM   #18
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Originally Posted by gajagfan View Post
Please explain the difference. And not to say something you already know, but heal toe is actually ball of foot on brake and pinky toe area on throttle. To me, that is what I mean by rev matching. You are braking and downshifting, left foot on clutch and right ball of foot on brake, while blipping the throttle with your right pinky toe. Are you simply referring to rev matching without braking? I had not even thought of that.
Dual clutch transmissions (short and condensed version) have a start up mode that allows the clutch to disengage from the engine (and to remain disengaged while under brake load, sitting still and what not) but shift in fractions of the time that an traditional automatic does. It also does not have the differing lock ups and torque magnification due to the lack of torque converter. It is an "automatic" only because it CAN shift for you, and you aren't working a clutch petal. Entirely different machines.

I love my manual and rather dislike automatics... but the DCT in my fathers car is to die for. The shift time is ridiculous.
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Old 07-25-2014, 08:29 PM   #19
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I'm with Senna

Even though some may say nannies may have saved his life, Ayrton Senna was against computer aided control. The best way I could relate it, is, it's like forging a fine blade for years, then hand sharpening it to a perfect edge..... THEN putting a blade guard on it because it's too sharp and someone may get hurt.

The current "I love my nannies, they make life wonderful" attitude will have you sitting in the back seat of a google car in no time

Don't get me wrong, some aids are beneficial, but overall the skill of driving may be going extinct.

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The technical regulations for the 1994 Formula One season were announced at the 1993 Canadian Grand Prix.[7] One of the major announcements was that electronic aids were to be banned from Formula One, which included power brakes and the traction control system.[8] Also banned for the 1994 season was the use of ABS and active suspension.[9] This was done as there were fears that electronic aid systems were levelling the field up, putting more emphasis on the car rather than the driver talent.[10][11] Some spoke out against traction control, including Senna, who said he preferred to have more control of the car instead of having the computers drive it for him.
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Old 07-26-2014, 10:21 PM   #20
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Dual clutch transmissions (short and condensed version) have a start up mode that allows the clutch to disengage from the engine (and to remain disengaged while under brake load, sitting still and what not) but shift in fractions of the time that an traditional automatic does. It also does not have the differing lock ups and torque magnification due to the lack of torque converter. It is an "automatic" only because it CAN shift for you, and you aren't working a clutch petal. Entirely different machines.

I love my manual and rather dislike automatics... but the DCT in my fathers car is to die for. The shift time is ridiculous.
While I don't doubt a DCT could be the better performer, using an 8 speed that's in your parts bin that can almost match the shift speed and have the smoothness of a conventional auto is hard to pass up. And if it can handle Z06 power and truck duty than I might spec one my next Camaro, and I love rowing gears. But if you're sacrificing performance for the sake of shifting yourself, I think you might need to reconsider why manuals were popular and always an option; they allowed the car to be faster. There is a reason you can't get a manual in a Lamborghini anymore...
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Old 07-27-2014, 01:11 PM   #21
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DCT will be a great transmission for the 1LE. Please GM give us also an automatic transmission, and you will see more 1LE buyers. I will be the firts one in the line.
My present car is a 5.0 GT, but my wife always complains about having to drive with a clutch & 6spd. transmission. For me is great but not for her.
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Old 07-27-2014, 01:31 PM   #22
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My 2011 has the M6 and it is great and fun. That said it sucks in NYC traffic and does get on my nerves. Since I don't drive the car on the track 99% of the time when the 2016 arrives I would take a serious look at a good auto variant.
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Old 07-28-2014, 12:48 PM   #23
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As far as design, I am not to worried because I don't think they ever made an ugly Camaro, unlike C3 and C4 Corvettes,...
To each his own I guess. You're the only person I've read with such an opinion that C3 & C4 Corvettes are ugly and that all Camaro generations aren't.

Personally, I'd take a C3 or a C4 Corvette and any generation Camaro over a Gen 4 Camaro any day of the week. I think the C3 Corvette is one of the best looking cars of all time.
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Old 08-12-2014, 04:46 PM   #24
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Since GM has announced that the new Z06 will NOT have a DTC transmission, there is just no way they would put one in the lower cost Camaro. Plus, GM has gone to great pains to make everyone aware that their new 8 speed automatic *will shift FASTER than the Porsche PDK*. This transmission will be available in full sized trucks (but programmed differently), so that tells us it is not an overly expensive unit. THIS is the automatic transmission GM will be putting in the new Camaro. If it works for the new Z06, it will work perfectly well for the 1LE.
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Old 08-12-2014, 04:55 PM   #25
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Here is a very well written article that was posted on a PORSCHE forum about this new transmission:

GM claims their upcoming C7 Z06 8L90 8-speed automatic shifts faster than the Porsche PDK dual clutch, but can it?
General Motors caught the attention of enthusiasts by announcing the upcoming C7 Z06 would not only offer an automatic transmission but that it would shift faster than a dual clutch transmission. GM specifically mentions the Porsche PDK dual clutch shift speed as the target. Enthusiasts are debating whether this transmission can beat the Porsche PDK or if this is GM spin to make the automatic no look like a cost cutting measure. So who is right?

Click here to enlarge

Quite possibly everyone. The 8L90 8-speed is not exactly 'cheap' or solely a cost cutting measure for GM. Cost is obviously a factor and the 8L90 is designed to be compatible with the standard C7 torque tube. GM is killing two birds with one stone by having a new 8-speed that will plug right in where the 6-speed currently offered in the C7 fits. The 8L90 is the same physical size as the 6L80 6-Speed it will replace but also eight pounds lighter thanks to aluminum and magnesium components. A dual clutch that can handle the torque and fit in the same physical space is a tall order that would likely require a lot more work.

GM could just keep the 6-speed and not do anything at all if they were trying to be cheap but they sure are putting in a lot of effort on the new transmission. The cooling system for example has two inlet ports to provide adequate flow on heavy load and acceleration. This system automatically switches to a single port under lighter load reducing drag for greater efficiency.

The internals are stout considering the torque rating is 1000nm or 737 lb-ft. It will be able to in stock form support the LT1 and supercharged LT4. It should handle bolt on upgrades to the Z06 before needing to be internally reinforced. A supercharged 6.2 liter V8 is going to put out a quite a bit of torque.

So, GM is not taking shortcuts here. Is it a cheaper route than developing a dual clutch that can handle the LT4 torque and fit their packaging requirements? Absolutely. Is it a shortcut? No. GM has a team dedicated to this transmissions development and it is essentially custom made for the Z06 before it will go in any other applications. This is a transmission designed with sports car performance in mind.

That brings us to the question, can it actually shift faster than the Porsche PDK dual clutch transmission? Maybe. The transmission has five clutches. Proponents argue that means it can essentially have five gears pre-selected. However, only two clutches are available at any single time for gear changes. This is not unlike a dual clutch which by definition has two gears engaged. The DCT has the next gear pre-selected and the power flow changes as one clutch engages and the other releases which is limited only by the mechanical speed of the rods. Theoretically the GM 8L90 gearbox can match this aspect of the dual clutch transmission.

The question becomes how GM is measuring the shift speed. A torque converter transferring rotational power is a bit 'sloppier' so to speak than a clutch until it locks up. Dual clutch transmissions do not use a torque converter with a wet fluid coupling to transfer power to the clutches meaning direct power application. The torque converter however makes torque application fairly smooth which is a benefit for GM in their four-cylinder deactivation fuel saving mode and when cruising. Both use hydraulic pressure to drive the gears and both can start building hydraulic pressure in anticipation of a gearshift.

When it comes time to make a shift, hydraulic pressure is bled from the engaged clutch and applied to the next clutch. This is the exact same mechanism for the DCT or a wet plate multi-clutch automatic like the 8L90.

Now, if GM is measuring the shift speed based on the internal gear change speed capability of the clutches, sure, the 8L90 can match a dual clutch as they are mechanically similar and basically doing the same thing. However, are they measuring this through the entire process of a request for a shift, torque application through the converter, and clutches engaging/disengaging to make the gear change? This is not clear and GM has not provided any actual support, numbers, or details on how they are measuring shift speed to back up their 'faster' claim.

We will have to wait and see some test results to come to a definitive conclusion here but the GM 8L90 is hardly cheap or antiquated technology. There are similarities in its design to a dual wet clutch transmission system but the major point of divergence is the torque converter and the shift rods.


General Motors Rear Wheel Drive Eight Speed Automatic Transmission
Technical Paper
2014-04-01
James Michael Hart, Tejinder Singh, William Goodrich


General Motors Rear Wheel Drive Eight Speed Automatic Transmission General Motors shall introduce a new rear wheel drive eight speed automatic transmission, known as the 8L90, in the 2015 Chevrolet Corvette. The rated turbine torque capacity is 1000 Nm.

This transmission replaces the venerable 6L80 six speed automatic transmission. The objectives behind creation of this transmission are improved fuel economy, performance, and NVH. Packaging in the existing vehicle architecture and high mileage dependability are the givens. The architecture is required to offer low cost for a rear drive eight speed transmission while meeting the givens and objectives. An eight speed powerflow, invented by General Motors, was selected. This powerflow yields a 7.0 overall ratio spread, enabling improved launch capability because of a deeper first gear ratio and better fuel economy due to lower top gear N/V capability, relative to the 6L80. The eight speed ratios are generated using four simple planetary gearsets, two brake clutches and three rotating clutches. The resultant on-axis transmission architecture utilizes a squashed torque converter, an off-axis pump and four close coupled gearsets. The three rotating clutches have been located forward of the gearsets to minimize the length of oil feeds which provides for enhanced shift response and simplicity of turbine shaft manufacturing. The transmission architecture features a case with integral bell housing for enhanced powertrain stiffness. A unique pump drive design allows for off-axis packaging very low in the transmission. The pump is a binary vane type which effectively allows for two pumps in the packaging size of one. This design and packaging strategy not only enables low parasitic losses and optimum priming capability but also provides for ideal oil routing to the controls system, with the pump located in the valve body itself. The transmission controller is externally mounted, enabling packaging and powertrain integration flexibilities. The controller makes use of three speed sensors which provide for enhanced shift response and accuracy. Utilization of aluminum and magnesium components throughout the transmission yields competitive mass. The dedicated compensator feed circuit, used in GM six speed designs, was supplanted by a lube-fed design in order to simplify oil routing and enhance shift response. Packaging is within that of the GM 6L80 design, allowing for ease of application integration. The overall result is a robust, compact, and cost effective transmission which offers significant fuel economy and performance benefit, over its six speed counterpart, and shall provide an attractive balance of overall metrics in the automatic transmission market.
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