transgo shift kit and vacuum shift pressure modulator is what I did to mine. the mod replaces the pressure control solenoid that is controlled by the PCM, goes at it old school.
transgo shift kit and vacuum shift pressure modulator is what I did to mine. the mod replaces the pressure control solenoid that is controlled by the PCM, goes at it old school.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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