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what if GM does the tunning? Should I expect huge amount of ponies freed up from the dealership or take it to a renown tune-up shop. Im have 1000 miles on my car now, and I ready for the tuning, just need to know where to start.
Thx
SSG D
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2SS/RS Summit White M6 
Current: 2011 SW 2SS/RS M6 Fast!!! 
70 Chevelle SS (sold) Still kicking myself! 
2010 CGM SS/RS A6 (RIP)
 one pissed SS right there!!!! |