11-27-2012, 01:24 AM
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#29
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Aviation guru
Drives: 10 1SS, 09 Acadia, 90 K1500 Z-71
Join Date: Aug 2010
Location: Tucson, AZ
Posts: 831
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Here's GM Authority's take, which is also a great source of information.
http://gmauthority.com/blog/2012/11/...-architecture/
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