This new speed rear-drive transmission is the result of collaboration between Ford and General Motors, although Ford had the engineering lead on it. The companies also are jointly developing a nine-speed transverse automatic for front-drive cars and crossovers; GM is leading the engineering on that effort. Not long after Ford starts cranking out Fs with these transmissions, Chevrolet will launch it in the Camaro ZL1coupled to the hp, supercharged 6. With a torque capacity of at least lb-ft, this first version of the transmission is plenty beefy to handle that track-ready machine, as well as the Ford Raptorwith its uprated 3.
10 Ways GM SUVs Benefit From The New 10-Speed Automatic Transmission
We would expect that soon afterward, we will see this design spawn a family of speed automatics that are smaller and lighter to suit less hunky rear-drive machines in the Ford and GM families. However, the overall span of 7. There are at least five conventional automatics, including some eight-speeds, with a wider spread. Arithmetic dictates that if the speed transmission does not have a particularly wide overall ratio spread, than the individual gear spacing must be fairly close.My boyfriend has guilty father syndrome
This new speed has closer ratios, on average, than the version of the seven-speed PDK in the latest GT3. The tight ratios keep the engine closer to peak power during full-throttle acceleration and, according to Norris, provide for smoother operation when towing a trailer, a matter of some importance in the F world. Tenth gear in the 10R80 transmission has an overdrive ratio of 0. Ninth is 0. While Norris promises that 10th gear is a genuinely useful gear in the F and the transmission will stay in that gear over a wide range of highway conditions, the close ninth ratio helps when the truck is heavily loaded or towing a substantial amount.
Eighth gear also is an overdrive, with a ratio of 0. On the EPA city cycle, the F with this powertrain never sees engine rpm exceed rpm.Should i answer
In other words, plan to get much worse real-world fuel economy. Although, when you step into it, Ford claims the transmission and engine controls coordinate carefully to avoid situations where the engine comes onto boost exactly when the transmission downshifts, thereby providing a larger jolt of acceleration than the driver wanted.
Thanks to the use of four simple planetary gearsets, controlled by six clutches, the 10R80 is only about an inch longer and four pounds heavier than the 6F55 transmission currently used with the 3. This required very careful attention to detail in the design of each component. For example, the torque converter in the transmission pictured above is about 0.
Part of the weight reduction comes from an aluminum stator support, a formerly cast-iron part. In fact, the new transmission has no cast-iron parts whatsoever. The clutches in an automatic transmission are hydraulically actuated and controlled, so the new transmission relies on two special pumps to provide the necessary hydraulic muscle.
The main pump is an off-axis design with variable displacement. A second, electrically driven hydraulic pump allows idle-stop capability. The electrically driven pump is both more reliable and more compact than a hydraulic accumulator, while using very little power. Just as engine oil seems to get thinner every year, so does transmission fluid, in search of reduced friction.
Back when four-speed automatics were the norm, transmission fluid had a viscosity of around 7. The Ford six-speed uses fluid with a viscosity of 6. The new speed drops that to about 4.General Motors is an innovator of automatic transmissionsintroducing the Hydra-Matic in Through the s, all makers were working on their own automatic transmission, with four more developed inside GM alone.
All of GM's early automatic transmissions were replaced by variants of the Turbo-Hydramatic by the s. The Turbo-Hydramatic was used by all GM divisions, and formed the basis for the company's modern Hydramatic line.
GM Hydra-Matic 10L80 10-Speed Automatic Transmission
The basic rear-wheel drive Turbo-Hydramatic spawned two front-wheel drive variants, the transverse Turbo-Hydramaticand the longitudinal Turbo-Hydramatic A third variant was the light-duty rear wheel drive Turbo-Hydramatic used in many European models. The next-generation transmissions, introduced in the early s, were the electronic Hydra-Matics based on the Turbo-Hydramatic design. Most early electronic transmissions use the "-E" designator to differentiate them from their non-electronic cousins, but this has been dropped on transmissions with no mechanical version like the new GM 6L80 transmission.
Today, GM uses a simple naming scheme for their transmissions, with the "Hydra-Matic" name used on most automatics across all divisions. Ford led the design of the speed transmission, as well as filing the design patents for said transmission. According to an official report by the SAE Society of Automotive Engineers the design of the speed gearbox is essentially all Ford, while GM was responsible for designing the 9-speed 9T transverse automatic gearbox.
As part of their joint-venture, Ford will let GM use the speed transmission with rights to modify and manufacture it for their own applications. In-exchange for Ford's speed transmission, General Motors will let Ford use its 9-speed transmission for front-wheel drive applications; Ford ultimately declined use of the 9T. From Wikipedia, the free encyclopedia. Wikipedia list article. Ate Up With Motor. Retrieved SAE International. Retrieved 20 March Archived from the original PDF on General Motors.
Platforms Transmissions Hybrids Vehicles. William C. World of Motion Test Track - Category Commons. Categories : General Motors transmissions Opel Lists of automobile transmissions. Hidden categories: CS1 errors: external links Articles with short description.
List of GM transmissions
Although the Ford 10R80 and GM 10L90 are very similar there are some differences in software and clutch specifications. The 10L90 transmission makes use of a triple-clutch assembly to allow it to fit two more gears while beings similar in size and weight to its 8L90 predecessor. The 10L90 transmission is being tested on drag strips near you. Stock clutch failure looks to be a common occurrence for racers looking to break the 9 second quarter mile barrier. Raybestos Powertrain is proud to have been first to market in with the first set of 10R80, 10L80, and 10L90 performance clutches.
GPZ friction clutches have proven to handle increased horsepower and have helped produce dozens of under 9 second quarter mile track times in the similar Ford 10R We look forward to the future of 10L90 transmissions on the drag strip as we continue to develop new products for even faster track times.
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Chevy puts quick-shifting 10-speed automatic transmission in 640-hp Camaro ZL1
I work for a parts distributor or remanufacturer. I'm interested in heavy duty or off-highway parts. Something went wrong while submitting the form. ISO Certified. IATF Certified.Thomas and friends games
Raybestos is a Registered trademark of Brake Parts Inc.You are browsing camaro6. User Name Remember Me? Drives: 2ss Camaro Join Date: Oct The question is will the 10L80 be as strong as the 10L90? Will it be like the 5th gen's where the ss got the 6L80 and the more powerful ZL1 got the 6L90? I believe the last digits of the model number are the power rating capabilities of the transmission.
This is how it will play out. The new 10 speed will be more then capable of handling the LT1 in stock form. I read the GT's are having issues with the 10r80 10 speed handling added power as well. It could be tuning related View My Garage. Originally Posted by KingLT1. Wyndham's homepage! Find More Posts by Mr.Al reef oman
Not for fact no It would be a huge mistake not to AFM is garbage. Originally Posted by Mr. It sounds slightly more involved than just a tune, and I have to imagine they'd mention it in the release. I don't think its in the LT1s. So is the 10L90 entirely different or does it just have stronger parts?
Do you thing the 10L80 can be beefed up using 10L90 parts? Trying to decide if its worth upgrading for the 10L80 alone. I'd be modding it to a FBO car with cam and converter eventually. Yeah we already determined that AFM is crap all around Drive a 8l90 tuned with AFM disabled.
Originally Posted by Chutzpah. Manuals, Literature, Workbooks, Brochures, Etc. All times are GMT The time now is AM.The desire to increase efficiency out of drivetrains is hardly limited to the design and re-engineering of engine builds, with many transmissions being modified to include additional gearing.
It also changed the game by setting a new precedent when it comes to collaborative partnerships. But regardless of which version has your attention, the speed transmission is likely to find a permanent home outside of just the light-duty vehicles it was initially designed for. GM took lead in the engineering of the Hydramatic 10L90 nine-speed transaxle unit, which was intended for front -or- all-wheel drive models with transversely mounted engines.
Ford took point on the 10R80 ten-speed gearbox, setting their sights on rear -or- four-wheel drive vehicles equipped with longitudinally mounted engines. Conceived with economy in mind, the expectation was that both companies would explore certain economies, thanks to the maximization of parts commonality. That said, differences arose during the development stage. On the GM side of the proverbial aisle, the ten-speed made its debut in the Chevy Camaro ZL1, with both automakers planning to spread its influence even wider come Despite its relatively wide spread between 1st and 10th gear, the overall span for the speed transmission is hardly the widest out there.
In addition, the decision to limit the span ensured that top gear was more easily sustainable during highway driving sessions. In addition, it ensures smoother shift transitions and better all-over operation in towing scenarios, a primary concern for those behind the wheel. Operating as overdrive gears, the last three gears serve to improve acceleration, fuel economy and towing performance.
Respectively, the ratios for each are. As mentioned above, 10th gear is designed with highway speeds in mind, but the closeness of ratios allows for smooth downshift when required.
Shifting of the speed transmission is facilitated by six clutches, engaging and disengaging in dual-clutch pairings. To prevent any decrease in efficiency, shifts do not require unlocking of the torque converter.
And in contrast to conventional two-piece designs, its clutches are regulated by integrated solenoid valves, offering a quicker response.
The transmission also offers quicker fill times, with the reduction in hydraulic passage lengths. Overall, this allows for a smooth launch and climb through the gears, as well as downshifting as needed without any sense of jarring interruption.
Noting that the speed replaces a 6-speed transmission in many cases, Ford has made great efforts to minimize its mechanical friction spin losses.
The result of these friction-reduction measures is that each of the gears operates more efficiently than those of the transmission that it replaces.
Further efficiencies are found in control of its operating temperature, thanks to an internal thermal bypass. Despite the increase in gearing, the speed transmission gains a modest one-inch in length and four-pounds in weight. With a complete absence of cast-iron components, it utilizes a composite of high-strength steels, aluminum and composite materials. The internal clutches of the speed transmission are operated by two different hydraulic pumps. The first pump no longer places on the main shaft reflects a reduction in length, and its off-axis design is designed to offer variable displacement, adjusting the pump output as needed.
The second pump stands in for a hydraulic accumulator while taking up less space overall and proving more reliable. Electrically driven, it allows idle-stop capability and, combined, the two pumps optimize efficiency through temperature and transmission fluid pressure.
Mercon ULV, a transmission fluid specially designed for the speed transmission, follows the trend of ever-thinning viscosity experienced by transmission fluids and engine oils across the board.By dwightlooiMarch 22, in Cadillac.
Is it just so that it can have lb-ft arrive 1, rpm? Now, we have the answer Adopting the 9-speed automatics is deemed a priority for refinement and fuel economy.2019 camaro ZL1 Black on Black 10 speed automatic
There are currently two versions of this transmission The lack of torque capability is also in part why Ford abandoned the use of the GM-Ford 9TXX transmissions, choosing instead to develop an 8-speed evolution of the decade old 6T80 for use in their high torque applications like the Ford Edge ST 2. Ford also asserts that the new 9-speed autos did not yield any fuel economy improvement when tested with their engines and the refinement improvements alone did not justify the costs and weight increases.
View full article. This is very interesting information, so Ford then choose to write off the investment and go another route versus GM wanting to get money out of their investment and offer a rather pathetic power train. These are the type of decisions that GM will end up hurting by. But, I am not sure this is exactly true of GM's decision in this case. The 9-speeds do offer a few things -- better shift quality from one way clutches from gears and smaller ratio steppings.
The 6TXX trannies were very average boxes in this department. The new 9-speeds also have a pressure accumulator to prime the trannies for engine restarts with Start-Stop systems -- instead of having to spin the converter from stand still and pressurize the transmission fluid so the hydraulics will start working.
The Accumulator stores pressurized fluids while the transmission is running and re-injects them during a restart. The only bad thing about the new 9As is that they are stuck at lb-ft.
That is great info to know and I wonder if that is what they are doing with this years XT5 that I had as a service loaner for a few days. Thank you Dwight, I love this type of learning.
You made my day as I am still working so a break like this is very welcomed by me. You Rock! I know for a fact that one of many issue many journalists had with the ATS, and undoubtedly folks coming from Audi or BMW was that the 2.
Wasnt smooth. A common complaint for GM 4 cylinders since, likeHere's three great, free alternatives : Firefox - Chrome - Opera.Gta lite 150 mb
As we work to develop support for ten speed transmissions, we swapped the 4R70W in our Mercury Grand Marquis for a 10R80 transmission. If you'd like to learn more about the swap, such as the modifications and challenges we encountered, check out our video series which documents the Silver Bullet Project and gives advice that can be relevant to any transmission swap. Much of the information in this series also applies to the 6R80 because of how similar it is to the 10R We know that it has been a while since we introduced this project, so an update is long overdue.
In order to properly support the 10R80, we needed additional circuitry in our controller. So, we started out with a Quick 6 controller that we modified by hand to add the new circuitry for Quick10 and to update our existing circuitry to improve manufacturing and operating efficiency.
Since the 10R80 operates with more solenoids energized at any given time than the 6R80, one of our main concerns was with heat buildup in the solenoid driver circuitry. Once we had a working prototype, we performed thermal analysis to optimize the circuity and utilized thermal imaging to verify the results. We have also put extensive mileage on the car in the process, including several long road trips, and have had no problems thus far.
We hope to have new prototype PCBs in the coming weeks. At that point, we will verify the hardware and finish development of the 10R80 firmware. We will also need to spend time refining the shift quality for these transmissions, but we plan to begin beta testing the 10R80 controller later this year.
In the meantime, we are also planning to upgrade the interior of Silver Bullet with Marauder seating, console, and instrument cluster, among other things. We hope to post a video of this project phase within the next few months. Thank you for your interest in the project.
We had to modify the crossmember to allow a 10R80 or 6R80 to be mounted in the panther body. Here is a diagram showing what we did to it. You can also watch the crossmember video, available from the playlist above. Why US Shift? About Us. You are using an unsupported browser : Here's three great, free alternatives : Firefox - Chrome - Opera.
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