Getting my running SR on the road

[Matt191]

So I have finally got my SR in my 240 after two long years of working and I have a few questions that I would like cleared up if possible(yes I did search).
First of all I have an FMIC kit that has the BOV mounted on the hot side. To my knowledge shouldn't it be as close to the throttle as possible? And I have also run into the problem that when I get on my SR it tends to sputter and has a real hard time revving past four thousand RPMS. It will rev past 4k if the throttle is feathered very lightly. And here is what I've done I tested my TPS it has a normal voltage, and I have also gapped my spark plugs to .028(NGK iridiums). The last thing I checked was my MAFS, I was not sure how to read its voltage correctly but I unplugged it and the idle got smoother about 600 rpms, and the engine would rev nicely up to 2600 rpms. So am I right in saying I need a new MAFS?