hello all, i know there's load of these topics but i need one for me, not a million other people. i got a 2-2a and idea is p38 box, pump, lower shaft and i was wondering would original and p38 shafts mate together with no mods? and where i could get a new custom (longer ) drag link/arm? and i need dimensions on where to mount the box and how to make the pump bracket , i have seen some web sites on this thing but not enough information!! can you help me please