Our front end is all stock. When we lift the rear, it kinda adds some height to the front without any adjustment.
This pic is the day I install the 919 springs on the rear, the front was untouched (stock height) Stock 16" wheels on 255/65 R16. Always adjust the T bars with the front end up, suspension hanging. A little turn does go along way in height. Bounce it a few times in between adjustment.
I checked the stock height on the other, looks like it is 19". However this is a used vx, others have messed with it. So I wouldn't call this OEM spec.