Are you loging fuel pressure as well? What pump, injectors and mods? If upping the fuel jet makes minimal to no changes, it is likely you are running out of pump.
2000 Silverado, RCSB, 2wd
WRE 370 / Kenne Bell 2.8L / 4L80E
11.21 @ 121
2001 Tahoe LT 4wd
Bolt-on daily driver and tow vehicle.