Later 261 type pumps have a 3/8 belt as does the 54 pump I believe.Yes the pump adapter is a flat plate.
Drew,the road draft tube has been cut and welded to point up.It gets a breather on top,the rear of the valve cover has a small tube for a PCV valve.I've done this in the past and it works well.
Painted black because I had two cans of special stealth black paint
