? on upgrading Nelson tune
#1
Hey Right now I got Nelsons dual tune 89/91. Its been sweet but I was wondering if anyone first hand has went from what I got and upgraded to his hot 91 tune? Is there a noticeable difference?
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GreyChevy
Tuning, Diagnostics, Electronics, and Wiring
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Jul 7, 2015 08:57 PM




