You need to get "custom" domes cut to your specs.
Who did the porting? They should know.
It all depends on elevation, fuel,port,pipes, and other things I know nothing about.
yes. There is a tool. I've had more then a handful of bikes be way of by the screw and cables.they might move at the same time but one may be higher by the cable, or the idle screws, or the mixture screw may be different.