Can any Vertans help a fellow Vertan?

I cant get more than 8 KH/s with my MSI r9 270x, here is my bat

"COLOR 02
pause

vertminer --scrypt-vert -Q 0 -o 54.193.29.65:9171 -u VaP2FDRn3x2skj4tzFdXFqLL1Jn987fgR6 -p x --gpu-engine 1050 --gpu-memclock 1210 --auto-fan --temp-target 80,75 --temp-overheat 90 --temp-cutoff 95 --gpu-powertune -20 --worksize 256 -I 13 -g 1 --lookup-gap 0"