Slant six space

My distributer cap at the top is about a half inch from the inner fender, passenger side. It seems a little too close for me or is this correct? Is there a way of tilting it towards the driver side just a little? And another thing, I have a new single barrel carb and a new fuel pump. The tank, sending unit and lines are new. Why would it be starving for fuel? I can't seem to get more than half of the fuel filter full when it idles. Please, any thoughts.