Ed, this is what the plumbing will look like using that
water rez you are building for me. The brown tube into
the back of the rad is -dash ten.

BTW this is a copy of the Allison V12 plumbing. The advantage
of putting the pressure cap on the inlet side of the pump is
the pressure in the block is higher than the pressure cap.
The illustration is from Vee's for Victory a great book
on the development of the Allison V12 aircraft engine.

Paul Lamar
 
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