This is a fuel map from last week - I have since blended/smoothed it out a bit and worked on the areas rarely seen (high rpm/low tps - high tps/low rpm) but it gives you a general idea of the curve - it's not a million miles away from where it is now - hope it gives you enough info Chip - thanks for the help btw.
One thing I'm thinking is that It's a high torque cam - low duration/loads of lift. Maybe it feeling strong at low rpms/flat at high rpms is just how it should be.