With my E-Force S/C with 52# injectors, LT headers and axle back I was running out of fuel. I installed a ZL1 fuel pump and 72# injectors. It's running fine now with 546/rwhp. It's on an LS3.
2010 2SS/RS Victory Red, MN6, 1-7/8 Kooks LT Headers, SLP Axle Back, Edelbrock E-Force S/C, ZL1 Fuel Pump, 72# Injectors, Roto-Fab CAI, Elite Catch Can, Billet Hurst Shifter, DSS 1000HP axles, Spohn Trailing Arms, Toe Links, Lower Control Arms. 546/rwhp & 522/rwtq Tune by Jeremy Formato.