Ford engineer Al Cockerill explains a feature of the second-generation 3.5-liter EcoBoost F-150 engine. 

After switching to an aluminum body for the 2015 model year, the redesigned Ford F-150 will get its first major powertrain improvement starting this fall with two 2017 models.
Fuel economy will improve, but probably not enough to knock the Ram 1500 EcoDiesel, EPA-rated at 29 mpg highway, out of the segment lead, says AutoPacific analyst Dave Sullivan. The 2016 3.5-liter turbo F-150 is rated at 17 mpg city/24 highway.
The new transmission, designed in a joint venture with General Motors, features three overdrive gears, an advanced torque converter with an integrated turbine clutch and low-friction internal components, and has been designed for use with stop-start, which will be standard. It can skip gears up and down for most efficient engine performance.
Ford engineers designed an internal pump that keeps the transmission pressurized when the engine is off. Other versions of the F-150 will continue to offer a six-speed automatic.
The redesigned V-6 gets considerably more complex by having two fuel injection systems: direct injection and port fuel injection. The engine, which is rated at 365 hp and 450 pounds-feet of torque, uses 87 octane gasoline and runs on port injection when cold and under low-load situations and switches to direct injection when warm or when extra power is needed.
It can also run both systems at the same time, said Jim Mazuchowski, Ford’s new V-6 engine program manager.

   
    
 
A new 10-speed automatic transmission and a redesigned 3.5-liter twin turbo EcoBoost V-6 will be available in the off-road high-performance Raptor and regular F-150.

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