Originally Posted by tubbedz
The orifice at the green arrow is .030 and the orifice at the blue arrow is .080
The IFR is .030" then. That is the top of idle well.
The IFR can be at either location. I am not that familiar with that specific metering block. The .030" IFR will not be excessive on a blower motor .
Try it as is , first.