HD6870 & HD5970 with WPA

[Flyinghaggis]

Hi, I have a setup with both of these cards installed in my system, but
I have a problem with the gpu kh/s speed

Session.Name...: oclHashcat
Status.........: Aborted
Input.Mode.....: Pipe
Hash.Target....: blah blahblah
Hash.Type......: WPA/WPA2
Time.Started...: Tue Nov 24 10:57:38 2015 (7 mins, 22 secs)
Speed.GPU.#1...:    31419 H/s
Speed.GPU.#2...:    41184 H/s
Speed.GPU.#3...:    45672 H/s
Speed.GPU.#*...:   118.3 kH/s
Recovered......: 0/1 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.......: 56033280
Rejected.......: 0
HWMon.GPU.#1...: 44% Util, 79c Temp, 41% Fan
HWMon.GPU.#2...: 51% Util, 73c Temp, N/A Fan
HWMon.GPU.#3...: 43% Util, 81c Temp, 51% Fan

I have set the gpu loop to n 32 u 320.
Are these settings correct/acceptable or can I squeeze some more power out of the gpu's?