F.A.S.T EZI Good/Bad? anyone?

http://www.summitracing.com/parts/f...C95xsnan6YaXT_LJaREQY2iLQGb0A_o_2LmY7hyTw_wcB. That is where I seen the reviews. But, I read through the links on here that you all posted and it seems more people have problems with the ignition part and not so much the fuel part.