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Old 09-07-2011, 03:01 PM   #7 (permalink)
mcguire
EcoModding Lurker
 
Join Date: Apr 2009
Location: Scottsboro, AL
Posts: 19

Twuck - '06 Ford F-150
90 day: 17.82 mpg (US)

Rudolph - '95 BMW R1100 GS
90 day: 35.37 mpg (US)

Terrifying - '02 Chevrolet Corvette Coupe
90 day: 28.4 mpg (US)

Big Red - '13 Ford F-150 XLT
90 day: 18.96 mpg (US)
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Now, just a darn minute....

Quote:
Originally Posted by suspectnumber961 View Post
Passing Fear: Do Fuel Economy Gains Compromise Quick Acceleration?: Scientific American

"As the car slows down, the transmission automatically downshifts into lower gears, but a sudden command to increase speed reverses that process and the transmission has to find the proper gear for quick acceleration."
Wait, what? Downshifting as you slow down should leave you in a better gear to accelerate at your new, slower speed.

Quote:
Originally Posted by euromodder
Automated manual transmissions like DSG shift up when you let go of the throttle - mimicing coasting. They shift down when speed drops below the threshold for a given gear.
Ok, that makes more sense. But I'm still not seeing the difference between that and a traditional automatic transmission that has to kick down into a lower gear when you whack open the throttle.
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