Re: Ls 4.8 question
The unit needed for the GenIV throttle body is an interface module that flips the voltage sweeps. They work on opposite scales and have different drivers controlling the stepper motor in the the TB
Its around $350
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING 
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