--avalon8-voltage-level -3 = 11256.88GHs 33/67c 1008 watts hotter room temp and increased draw?
--avalon8-voltage-level -2 = 11436.67GHs 33/67c 1056 watts
--avalon8-voltage-level -1 = 11674.60GHs 33/69C 1105 watts

20 minutes between settings and checking watts using the delta 2400 PSU.

I am going to check the draw next using the HP 2450 PSU , this model

https://www.ebay.com/itm/2450W-Power-Supply-for-bitmain-antminer-T9-S9-L3-S7-200V-240V-PSU-US-SALE/253472915149?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D2%26asc%3D44039%26meid%3De626ae80772d42b0865fa08074b41a74%26pid%3D100005%26rk%3D6%26rkt%3D6%26sd%3D263280077803%26itm%3D253472915149&_trksid=p2047675.c100005.m1851

Also note that I am using the testing firmware/mmc dated 2018-Apr-21

Hey thanks for the merit Phil!