your dead fat for sure, like was posted lean out the barrel valve till you loose your throttle response then come back a flat or to till it returns. there is so much to a simple injection people often overlook the important things.

Did you leakdown the barrel valve before you started it? 20-25% is a good start with around .002-.005 of butterfly to runner clearence
What are your pump flow numbers?
What size nozzels are you using?
what size main jet and whos jet is it?
how much total horsepower do you think you will be making?