I think it would be beneficial to also have a list of notable consumables which are known not to work in battlegrounds, like Weapon oils and Sharpening stones or Darkmoon stuff (Lemon Herb Filet + elixirs).
Also, it appears that Goblin Glider Kit works. Don't have it myself but saw someone using...
For level 20 players. warfored and normal Legion invasion gear has the same ilvl and the same stats. Feature or a bug?
Edit. Checked few armories of other f2p. It seems that being warforged doesn't guarrantee the increase in ilvl. So just need to keep trying.
Seems like Blizzard is making tinking impossible - read somewhere in this forum that certain items like Mist-Piercing Goggles won't be used in calculation of average ilvl.
Also, I would like to read an exhaustive theory on how items infuence stats within battlegrounds. For me it doesn't appear...
Actually I thought of doing something similar: created a bunch of screenshots showing the stats of items in battlegrounds approximately 4 months before, started to input them in Excel table and even formulated some gearing strategy. However, reading that pvp will change in Legion made me cease...