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Discussion Starter · #1 ·
I had just installed a Hypertech in my 2001 Blazer Xtreme.... I had selected the shift firmness... Is this the same thing as adding a shift kit? Should I not add an aftermarket shiftkit with this shift firmness selected? What other upgrades can I do with the tranny with the Hypertech installed (Corvette Servo?)
 

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limeade
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Not the same. A shift-kit actually goes in the tranny and adds pressure. The shift-improver just adds it electronically. You can have both, but shifts will be hard, very.
 
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