They’ve targeted that by the end of 2012, nearly all of Ford’s transmissions ...

Автор: DarrenFerris on четверг, 2 июля 2009 г.
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Ford introduces its 3.5 EcoBoost V6 engine this spring. This environmentally-friendly is coupled by a six-speed 6F-55 SelectShift automatic transmission that’s been configured to meet higher torque demands of the new twin-turbo direct fuel injection engine.

Both technologies will be available in Ford’s 2010 Lincoln MKS (see pic!). The 6F-55 transmission was developed from the successful blueprint of Ford’s 6F-50 transmission. Compared to the 6F-50 transmission, however, the 6F-55 is bulked up and strengthened to work with the EcoBoost V6’s architecture.

All changes were geared towards improved power and fuel efficiency. The modifications included friction material grooves that break up fluid flow and reduce clutch drag losses; nine wave CBLR; improved calibration measures; and a 15-degree-increase of start-to-open temperatures.

The torque of this transmission was also altered to improve the vehicle’s drivability. Together, the EcoBoost V6 and the 6F-55 automatic transmission are pegged to produce 355 horse power and 475 Nm of torque. Ford brags that this translates to higher power and better fuel-economy compared the V8 engine of Lexus GS460 and Infiniti M45.

Ford projects that both technologies will dominate their sustainability strategy for years to come. They’ve targeted that by the end of 2012, nearly all of Ford’s transmissions in North America will be converted to advanced six-speed gearboxes. Ford marks up 2013 as the year when nearly 90% of Ford’s North American vehicles will nestle EcoBoost engines.

The 6F-55 was produced at the Van Dyke Transmission Plant based in Sterling Heights, Michigan. This Ford Plant also produced the 6F-50 and 6F-35 transmissions. The plant is recognized as one of the Ford Centers of Excellence for six-speed transmissions.



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