Lefty Posted September 14, 2011 Report Share Posted September 14, 2011 I still haven't decided on whether or not i am keeping mine. Zippy keeps asking me to tune it though, I'll probably fold soon. LOL. If you do get Zippy to tune it, let me know. i am really interested in the results. I'll throw the same bone your way if I do it first. Quote Link to comment Share on other sites More sharing options...
kcsilveradoss Posted September 14, 2011 Report Share Posted September 14, 2011 If you do get Zippy to tune it, let me know. i am really interested in the results. I'll throw the same bone your way if I do it first. Roger that Quote Link to comment Share on other sites More sharing options...
chpspecial Posted September 15, 2011 Report Share Posted September 15, 2011 This is probably not what you guys want to hear, but just modification of the TM is a huge improvement on these trucks. I did an 08 SD and the results where impressive. If you liked the gains a tune gave your SSS's, then you will love the gains on the SDs Quote Link to comment Share on other sites More sharing options...
stg313 Posted September 15, 2011 Report Share Posted September 15, 2011 I have a 2011 Silverado with the 6.2 now and I can tell you that my blackbear tune made a HUGE difference...... Quote Link to comment Share on other sites More sharing options...
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