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04-02-2013, 12:16 PM | #16 | |
Returning to Toyota
Drives: 2013 L 3dr MT Join Date: Mar 2013
Location: Nashville, TN
Posts: 154
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Quote:
The reason it works is due to pumping losses (due to nearly closed throttle). The engine loses energy trying to suck air past the closed throttle). I'm not sure if hang time really works as the fuel does not get shut off like pulse and glide, but I see the same thing on my ecometer. If I time my glides according to the slope of the road I can really get a big boost in FE. During pulse the throttle is open wider, reducing pumping losses, and the engine operates more efficiently. I'll experiment with hang time some more. I was noticing the same thing, but have not tried to exploit it. |
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