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Old 03-11-2012, 02:04 PM   #592
blackswan

 
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Drives: 2012 2LT/RS
Join Date: Oct 2011
Location: Northeast
Posts: 1,447
I have to ask this, and it's a genuine question: every manufacturer is trying to squeeze every MPG and HP out of their engines. Why wouldn't GM design it this way?
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