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Old 11-13-2010, 03:45 AM   #31 (permalink)
Dr. Jerryrigger
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Join Date: Jun 2010
Location: mass
Posts: 181

The Sh*t-Box - '99 Subaru Impreza Outback Sport
90 day: 27.81 mpg (US)
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Quote:
Originally Posted by ShadeTreeMech View Post
However, beware of the lock up torque convertor trying to engage in such a situation. Bad things can happen if the spped is high enough and the computer send the signal to the convertor to lock up.

Otherwise, no harm no foul assuming the torque convertor remains unlocked. which is to say being in 2nd is safer than being in D with the engine off during a coast.
My car is good about this unless I do a good job of rev matching on the highway, then it engages with a thud. But at least it's never more than 150 RPM difference. I don't bother rev matching any more, and things go smoother.

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