Why is asking for more fuel?? 5.3 on 6 lb's

[=fast=]

Hi guys i have this truck on 6 lb's, FIC 92 lb's, 2 aeromotive stealth intank fuel pumps and its asking me for more fuel above 5200 rpm's
Something is wrong here, Can the fuel pump messing up.

I try something and did't work, I made a WOT pass in second gear log the air fuel error copy and paste % and i still add some fuel, on the 2nd pass it was asking me the same amount of fuel.

[=fast=]

Well i left the truck sit down for 30 minutes and it work.