Cant install EVGA 8400gs ddr3 512mb

[hericklet]

Hi i bought the new EVGA 8400gs what comes with 512MB of DDR3 memory, i already installed and tried everything (NVinject, NVenabler, Natit, edit com.apple.boot.plist etc) i bought this video card for my hackintosh and i really want this work.

Sorry for my English im from Brazil.