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Old 11-21-2009, 10:17 PM   #11
2Tightwads
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Drives: 2002 LS1 swapped into a 1994 Z
Join Date: Sep 2009
Location: San Antonio, TX
Posts: 388
Wink

Quote:
Originally Posted by jeffny09 View Post
but will they be able to tell that you used it to tune
Not unless you forget to switch back to stock.
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