> That looks great, BUT? How are you going to purge air trapped above the
     > water pump?
     > Bulent

     With a line from the top of the rear end housing to a bung just under
     the pressure cap. The pressure cap will be just under the top of the cowl.

     Paul Lamar

Paul, is the small tube out of the rear housing on the 20B the factory's
way of doing that? I don't have all the plumbing on mine and I'm trying to
figure everything out. Bill Jepson

Don't know about the 20B. I'll take a look when I go up to the hangar next
time. There are two tubes out of the 13B the larger of the two the one on the 
side is plumbed to the heater I suspect.

Paul Lamar
 
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