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Originally Posted by daptech
Yes, that is true. I posted it at another site......see if I can find it.
Something about the torque convertor disengaging.
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"Nissan engineers tell us that fuel economy will be boosted for 2009 when Titan adopts a new torque lockup strategy. We’re expecting this to be accomplished through a new, more efficient multi-function torque converter for the truck’s standard 5-speed automatic transmission that will disengage from the driveline when idling at a stop and use a lockup clutch to quickly match engine and transmission speeds during acceleration. This should provide the Titan with a 1 to 2-mpg bump driving around town. Think of it as taking some of a manual transmission’s inherent fuel economy advantages and applying them to an auto gearbox."
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being somebody that has driven manual transmission cars most of his life, I actually shift mine into nuetral when at long stops just to save gas, make less wear and tear on drivetrain componenets and what not....