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11 Things You Need to Know about Ford & GM’s 10-Speed Transmission
We would love for you to enjoy our content, we've worked hard on providing it. Please whitelist our site in your adblocker, refresh the page, and enjoy! In other words, merging onto the highway or passing is a breeze despite the weight of these full-sizers. As the clutches in an automatic transmission are hydraulically actuated and controlled, the new speed relies on two special pumps to provide the necessary hydraulic muscle.
The new speed transmission enables the fluid to reach a viscosity of 4. An externally mounted electronic control module executes millions of instructions every second.
Does this transmission have its own power source, such as an electric motor? Instead of making more complex transmissions I bet it has over parts! The gas saving and simplified design benefits will compensate the higher prices. Regardless, the solution is not to electrify everything… which also increasing complexity.
In fact, complexity should not be looked upon as a problem or a negative. EVs make up less than a percent of overall vehicle sales. How certain are you that the masses want an electric or even an electrifed car? They know that they require less maintenance, and will inhibit income revenue over time. They would feel relieved to not have to stop at a gas station on the way home. Most of the issues with the 8 speed were due to programming that aggressively selected the highest possible gear.
It effectively neuteres the engines in all driving situations except WOT. Is the space in the Vett so tight ta a mere fraction of an inch will cause this tranny not to fit. Is it 2 inches,1 inch or less or what? Why does the 10 speed not appear in any vehicle with the 5. One would think that the motor with less HP and TQ would stand to benefit more from having more gears. Because it motivates the buy to purchase a higher trim or different engine!
This is the way its supposed to work!
The most expensive models get the best options! Some of it is marketing. But being new availability is limited and there is a greater need to get better mpg in larger engine applications.The speed is an all-new design — and the first-ever application in a car — with a wider, 7. Improvements in spin loss complement the optimized gearing, enhancing efficiency.
And while the Camaro ZL1 will be the first GM vehicle to offer the new speed automatic, designed for rear-wheel-drive applications, it will be available in eight additional vehicles by The speed has four simple gearsets and six clutches: two brake clutches and four rotating clutches. The speed also features a variable-displacement vane pumpwhich optimizes transmission fluid pressure, based on speed and load, to enhance efficiency.
Smaller steps between the gears also help the engine maintain the optimal speed for maximum power at almost all speeds, especially when exiting a corner on a track. Performance Algorithm Shifting PAS monitors how assertively the driver is using engine output to determine at what engine speed to upshift or downshift.
Driver Shift Control allows the driver to shift the transmission via the steering wheel-mounted paddle shifters. Electronic safeguards prevent over-revving if the wrong gear position is selected, but relies on the driver to make upshifts or downshifts.
Certain key shifts, however, are made with a freewheeling action, such as downshifts, where a plate clutch is actively disengaged while a mechanical freewheeler clutch automatically engages with optimum synchronization.
The torque converter is mm in diameter and features a lock-up clutch. It also uses electronic controlled capacity clutch ECCC technology, which employs a small, regulated amount of slip to dampen out engine pulses for a smoother running drivetrain, especially during shifting. The low-viscosity fluid helps reduce fraction across the full temperature operating range, which enhances fuel efficiency. Additionally, the internal thermal bypass allows the transmission to warm up faster to its optimal operating temperature, further contributing to fuel efficiency.
Source: GM.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. 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.The 10L90 transmission is a speed longitudinal automatic transmission that was designed to operate near the efficiency of a CVT while improving fuel economy in GM high-horsepower vehicles highlighted by the Camaro, Suburban, Tahoe, and Escalade.
The 10L90 was a joint engineering effort between GM and Ford. 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.
10 Things to Know about the New Ford/GM 10-Speed Automatic Transmission
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.Manufacturing production schedule excel free
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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Aisin Warner. Predecessor: 8L Gear Ratios:. GM 10LHere's three great, free alternatives : Firefox - Chrome - Opera. 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.With the supercharged V8 under the hood of the Camaro ZL1 putting out horsepower kW and pound-feet Nm of torque, Chevrolet has designed a new speed automatic transmission to handle all of that power going to the rear wheels.
This new gearbox is no slouch, offering faster shifting than that found in a Porsche PDK dual-clutch. The new automatic houses 10 gears, six clutches, and a 7. Although sport buyers may prefer a manual transmission, the power ratios, fast shifting, and fuel economy gains from the new speed in the ZL1 may help change a few minds.
According to Chevrolet, in tests the new Hydra-Matic speed transmission improves on upshift times over the legendary Porsche PDK dual-clutch — often considered a benchmark in automated sports car transmissions — by 36 percent from first to second gear, 27 percent from second to third, and 26 percent from third to fourth.
What's more, gear ratios in the new Chevrolet speed are extremely aggressive in the lower gears and then very refined in the upper gears, offering a lot of torque conversion for the rear wheels at the beginning and then refinement and speed maintenance towards the top. The gear spread allows the Camaro ZL1 to be aggressive off the line and then maintain speeds when cornering and maneuvering at pace.
The first gear ratio is 4. Second gear is at 2. For spin doctors who love to flip their cars out of a reverse burnout, the reverse gear is at a happy 4. Several engineering tricks were used to keep the Hydra-Matic speed lightweight and compact. The first was to house the entire thing in a one-piece aluminum case with an integrated bell housing.
The turbine clutch torque converter in that bell is mm around. The torque converter features a lock-up clutch and an electronically controlled capacity clutch ECCC to dampen engine pulses.
The ECCC gives a regulated amount of slip in the drivetrain in non-sport shifting to cushion gear shifts and smooth the ride. Six clutches are housed inside the transmission, two for braking and four rotating clutches for shifts. That is one more clutch than the outgoing eight-speed, made possible thanks to a new triple-clutch assembly in the middle of the transmission's architecture. Also important in keeping all of this running smoothly is a newly-designed variable-displacement vane pump and a specially-formulated low-viscosity transmission fluid.
Gear shifting is executed with a clutch-to-clutch movement, allowing one clutch to engage as another disengages. When gears are skipped, such as in rapid slowing for corners, a freewheeling change is made instead, using a synchronized mesh. Finishing this new Hydra-Matic speed's fast-paced shifting is a new Chevrolet-designed shift control box, which is not integral to the transmission. This control unit includes what Chevy calls Performance Algorithm Shifting, which monitors engine use and adapts shift patterns according to the driver's style.
Manual shifting through steering-mounted paddles switches the control box to Driver Shift Control. This makes for fast response to driver input while protecting against over-revs in down-shifting without taking shifting duties over from the driver — a common complaint in some other "manual mode" automatics.
To boost efficiency, the new transmission fluid in the Hydra-Matic speed is run through an internal thermal bypass to allow faster warmup times for the transmission. The new Hydra-Matic transmission will be built in General Motors' newly-upgraded Romulus, Michigan plant, with Chevrolet saying it plans to incorporate this transmission into eight additional models in the next two years.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. 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!10 speed automatic transmission - 2017 Camaro ZL1
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.
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