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Hypertech Tunning


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i guess what i am looking for is help doing the right modifications to my 04 GMC Sierra Z71, 5.3L. i have the hypertech Programmer III. any suggestions. More horsepower/ Torque. does not matter, just want suggestions

  • 1 month later...
Posted
i guess what i am looking for is help doing the right modifications to my 04 GMC Sierra Z71, 5.3L. i have the hypertech Programmer III. any suggestions. More horsepower/ Torque. does not matter, just want suggestions

 

 

On my Hypertech I increaed all shift points to the max, dialed the tire size in, increased to 93 octane , and increased shift firmness. WOW what a differance. you may use more fuel cause of all the fun yu'll have laying the pedal into it!

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