Appears I am entering an anticipated period of replacing coolant
hoses.  I want to know the size of the hose that goes from the
coolant distributor to the pipe that goes up to the radiator on a
2.1.  this drawing might jog your
memory:   http://www.loam.org/vw/Vanagon/VWtoNapaHoses/

The hose isn't labeled in this drawing but you can see it is the
biggest and lowest hose coming off the coolant distributor/tower over
there on the right.  It really is only about 4 inches long, but looks
longer in the diagram.  Looks like maybe 1.5 inches in
diameter?  Help me out if you know what size it is.  I can tell you
that H and F are both 1 inch, in case you were going to replace those
on a 2.1...

Thanks,
Edward