I have absolutely no idea what jets/needle and seat etc I have!
I am running a carter fuel pump with standard RX2 fuel lines, no return line as per my tuner and no pressure reg, needle and seat does not leak.
Car was dyno tuned, the carb was jetted to suit my motor, that's all I know. My trouble isn't in full throttle application, it's at idle, on takeoff and cruising, I have a flat spot and I have been trying to tune it out as best as possible through timing, idle speed and idle mixture, some days it works better than others. I will check my mixture screws today, and see if they are around the 3 turn mark.
Cheers for your help guys
First question is who tuned this for you?
Also your flatspot won't be resolved with the idle mixture screws being adjusted. It should have a return line and a pressure regulator for starters with out even getting into what the jets and chokes it has etc.