I have a 2002 Yukon Denali and I am very new to moding! I just picked up a superchip flashpaq and I am cool with the performace outcomes. (Maybe because I don't know any better LOL) My question is about shift points and shift firmness. How do I know where to set my shift points and shift firmness? I am trying to get the most out of the performance so where should set these two options? What do you have yours set at and why? Thanks in advance.
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