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Automatic 8 speed9/2/2023 ![]() ![]() market, every percentage point is going to count. Furthermore, the 8HP has a system to maintain hydraulic pressure even when the engine isn’t running and is therefore the first automatic that’s compatible with stop-start operation-good for 11 percent better fuel efficiency, says ZF. However, the eight-speed is roughly 20 percent cheaper and retains the smooth, torque-converter starts to which U.S. ZF says the 8HP is six percent more efficient than the outgoing sixer and nearly as efficient as a dual-clutch automated manual, which ZF also produces. The 6HP will be out of production by 2014. This is an important consideration, as the six-speed is widely employed in the luxury-sport ranks. ZF designed the 8HP to replace the 6HP-of which over 5 million have been produced-and, in doing so, made the new transmission identical not only in dimension but also in weight (200 pounds). This post is directed to either people who have owned both 10 speed and 8 speed SSs or have either of them and have lined up and raced against the other. Expect to see a hybrid using the 8HP by the end of 2011.Ī third coupling device is available for the most-performance-driven applications: a wet multiplate clutch pack developed by ZF, which is currently found in the Mercedes-Benz E63 and SL63. To save weight, the electric motor can also double as the starter. It can be set up for rear- or all-wheel drive and facilitates hybridization by providing the option of swapping the conventional torque converter for a 47-hp electric motor, increasing fuel economy by a claimed 25 percent when compared with ZF’s old six-speed (6HP). The 8 speed automatic transmission is a type of automatic transmission that is more efficient and less expensive than the 6 speed transmission. It is an excellent example of how the power of innovation can create a new classic design. An optional drivetrain upgrade exists: a 2.0-liter turbocharged I-4 making 250 hp, mated to an eight-speed auto, and available in both front- and all-wheel drive. It is designed for longitudinal, or “north-south,” applications. The new 8HP 8-speed automatic transmission, which was designed to be more lightweight, sets new standards for flexibility, efficiency, and economy. ZF uses the term “kit” because 8HP is not a single transmission but rather one transmission case with various internal, customer-selectable options. What you should base your decision on is driving fun, and for that I give it to the e90. You shouldnt consider purchasing a car based on whether it has a 6 or 8 speed, because both are great. ![]() The f30 8 speed is better, its really smooth. GM Hit With 8-Speed Automatic Transmission Lawsuit In Canada 2024 Chevy Silverado Gets Revised 8-Speed Automatic Transmission Sponsored Links. Toyota’s eight-speed gearbox also has four planetary gearsets, but it uses seven shifting elements to create eight ratios-the ZF is a simpler design. The e90 6 speed is very good, its a pleasure to drive. These gearsets are engaged and disengaged by five shifting elements. FCA Adopts ZF's New Hybrid-Ready Transmissionįour planetary gearsets combine for eight gears in all.Fourth-Gen Version of the ZF 8HP Is Coming to FCA in 2022 ![]()
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