I know there more juice to this miner!

I'm using the latest 1.5.9 with 6x RX580s.
On Claymore 11.3 DevFree I get about 5200 H/S
On this one I get about 4890 H/S if lucky.
Something is not right, I think the kernel settings need tweaking or not working correctly.

Not sure why lower hash on some of the cards with same settings?

[2018-06-08 14:11:25] GPU0:    843 H/s [T: 56c, RPM: 2179, CC: 1150 MHz, MC: 2175 MHz][BUS:5]
[2018-06-08 14:11:25] GPU1:    773 H/s [T: 65c, RPM: 2124, CC: 1150 MHz, MC: 2175 MHz][BUS:1]
[2018-06-08 14:11:25] GPU2:    804 H/s [T: 60c, RPM: 2020, CC: 1150 MHz, MC: 2175 MHz][BUS:4]
[2018-06-08 14:11:25] GPU3:    784 H/s [T: 64c, RPM: 2132, CC: 1150 MHz, MC: 2175 MHz][BUS:3]
[2018-06-08 14:11:25] GPU4:    843 H/s [T: 53c, RPM: 2883, CC: 1150 MHz, MC: 2175 MHz][BUS:2]
[2018-06-08 14:11:25] GPU5:    843 H/s [T: 43c, RPM: 2992, CC: 1150 MHz, MC: 2175 MHz][BUS:6]