Question about carbs for tunnel rams

If your idle screws are all the way out, the carbs are to jetted to lean.
Idle to high and the timing is where you want it?
Idle screw(s) are adjusted to far in.
Double check timing, look for air leaks.
Make sure both carbs fully close at the same time. Make sure the linkage is opening and closing both carbs exactly at the same time and distance.