Holley 470 TA issues Need help

[t1shot]

I have 85 CJ7 with a holley 470 TA with an Offenhouser intake on a rebuilt AMC 258 i6 / 4.2l and the problem i am having is when the 4bbls open is sputters like it is running out of fuel I turned up the float and that did not really take care of it. any suggestions would help?