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Old 08-31-2012, 09:38 PM   #8
dirty_max
 
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Name: dirty_max
Title: Too Much Time
Status: Not Here
Join Date: Jun 2012
Location: eureka, il
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Posts: 304
Quote:
Originally Posted by dzchey21 View Post
Honestly if the truck is a 550 just leave it alone...

Some of the new flashes Ect don't seam.to actually net anymore power on the dyno
you are right but different fls/fts numbers and injectors trim codes will get you a little more
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2004 chevy lly with a handshaker
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