1. Yes and no it depends on what throttle bodies I am running but I will most likely pull the second set also.
2. yes
3. yes
4. 6K on one set and none on the other yet.
Yes
yes
yes
Prior to removal ,changed stepper motor , Throttle bodies ,TPS
Been out for 20,000 miles ,minor adj at home messing with different tunes. ( Tuneboy)