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Old 09-20-2009, 03:52 PM   #443
MikeW
Bowtie Brotherhood
 
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Drives: 04 Blazer ZR2, 2010 2SS/RS
Join Date: Aug 2009
Location: Chicago, IL USA
Posts: 96
Quote:
Originally Posted by gmag21 View Post
OK so guys if I get a tune I dont need to pull the fuses right? Tune is the same right? What does a 5/20 pull mean anyways? My L99 is doing like 6-7 second 0-60 its horrible.

Grant
All the fuses in your ECM are numbered. Remove the fuses numbered 5 & 20, let the car sit overnight and replace the fuses. You should notice a difference in performance.
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