No ? kinda does sound that simple to me. To change the ratio, I have to increase the quantity of fuel, which I did with the bigger jet. To compensate I ended up closing the mixture screw which reduced the fuel and air. Same amount fuel in both cases. Of course I"m generalizing here, but on a course level that what it seems to be. But you guys are the experts, I'm just trying to learn. thanks again.

Originally Posted by fast68plymouth
You’re right..... it’s not that simple.

The air bleed/ifr relationship determines the A/F ratio mix of the circuit.

The mixture screws adjust the volume of that mix to the discharge ports.