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A friend put Freeze Plugs (1 5/8") in the holes in the fan shroud 
where the hose to the heat exchangers usually go.  The theory: 

"it keeps the air up in the shroud where it is needed--by the oil 
cooler."

I take the bus to 20 year VW mechanic friend.

"Get those freeze plugs out of there, and put the heater hose back 
on.  That will solve some of your over-heating problem."

I tend to agree with theory number one.  It seems to make more sense 
to me.

What do all you experts think?

- Mike:  The poor guy who can't cure his VW over-heating problems!

   I'm not an expert... do you keep the tire pressure up to scratch?
   Sounds dorky, but that might help a bit... I noticed some improvement,
   anyway...

   Michael '76 campmobile