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Old 04-16-2009, 01:27 PM   #6
Okie doke
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Drives: 2012 GT500
Join Date: Sep 2008
Location: McKinney Texas
Posts: 3,569
Originally Posted by THE EVIL TW1N View Post
Don't forget the hp difference, it's pretty big. That alone is ~2.5 mph. And then the weight (50lbs) is another ~.5 mph. Normally a conventional 4 spd auto would result in another 2-3 mph slower, but the 6 speed auto is geared pretty aggressively so it get's some of the mph back.
I'll go with this answer as well ...

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