-g 2 -w 128 --gpu-engine 1050 --gpu-memclock 1450 --thread-concurrency 15361 -I 20 --lookup-gap 2 --auto-fan --temp-target 77 --temp-overheat 83 --temp-cutoff 85
"rawintensity" : "131088",
"worksize" : "256",
"thread-concurrency" : "13188",
"gpu-threads" : "2"
^^ over 2.6mh/s per 270 on x11 and 1.9mh/s+ on x13 using 14.6 drivers and the new miner fixed:
https://mega.co.nz/#!VYdChDTb!z22fJmx_rFoYg8sQecRwh9FEVWKP063PGN4XdeM22O8
Clocks will of course effect hashrates too. I always recommend adjusting core/mem clock with msi afterburner or something similar. Find the best settings before adding them to your config. Its goin to vary from gpu to gpu and you can push a little more with the proper clocks and some tinkering.