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3.8 questions

notamechanic97

New member
What is the difference in a series 2 supercharged and a series 3 supercharged 3.8, series 2 was in the 97-03 grand prixs and the series 3 3.8 was out of an 05 or later grand prix. I do not know the difference in either motors and would rrally like some help. Thanks!

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04+ GPs got the S3. Not many differences. A different blower, bigger intake valves, electronic throttle body, and a returnless fuel system come to mind right now.
 
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