burnside pool says only getting 50-70 k/h:(

[tacobell]

so im running 2 7850,s slightly OC and on cgminer is shows there pulling between 340-365 k/h each. for a avg total of 716k/h. i am setup on burnsides pool and it shows me as only pulling 55-70 k/h.  im gettin dick for shares and have been running a full 24 hours and not even .5 ltc aquired.. whats wrong here?