So we talk about an average per card of 1450H/s
try this trick: start miner with 60/8 then restart with 56/8 after 1-2 mins. it pumps my hynix vegas 56 from 1450 to 1550
How long di you run the Miner with 60/8 before restart with 56/8 and do you restart with --resetvega or without?