No sign or smell of gas at all but it runs horrible if the vaccum is attached

I did check for vacuum leaks and replaced a few hoses and the issue stayed for a while but i did notice the mass air flow "flow arrow" was pointed toward the air box and not the intake, despite it being mounted to its proper bracket its looked that it couldnt mount any other way but puzzled by the ...

same results

1984 volvo 244 b23f m46
Okay so im new to the forums and i need help i would usually never ask for help but im stumped on this my 84' volvo 244dl does not want to run on start up it shutters/jumps and sometimes stalls i try to solve the promblem by giving it a little throttle and the pedal just goes ...