sorry Rob I havent been on much lately....the hump pack I use is a venom 1600...I just cut the battery wires up close to the switch this helps clean the box up..Sorry I do not know the factory settings on the vx.16 I do know that if you have your idle set to 1mm open, your high spd needle at 3 turns from all the way in and your low spd needle flush with the collar you should be able to get it running and then fine tune it...and as for your last question I'd be glad to help you if I can...I just have alotta things going on and im not on much