Dick Gregory wrote:

Hi again,

What modifications will I need to make on my radiator? I realize that I need
different hose fittings. Is this something that I will be better off getting
done locally or having the supplier do? What specific fittings, hoses, etc.
are recommended by those of you who are engineers, or who have done this
already?

Is it best to block off the filler neck or put a cap on it?

Any changes to the drain valve?

What works best for the overflow/recovery tank? Is it an Auto parts store
item?

Dick Gregory
LongEZ N613NC
Houston, TX

There are two highly reliable ways to go. You can go with a 1 3/8 inch OD
aluminum tube and wiggins couplings or you can go with AN-20 1 1/4 inch ID 
or AN-24 1 1/2 inch ID SS braided hoses and fittings. AN-16 one inch ID might also
work but I am not too sure about that.  Conventional automotive hose and 
hose clamps work of course but IMHO they are not up to aircraft standards.
A leak can be disastrous on a long cross country flight.

Butch may have some wiggins couplings left in this size.

Any substantial container around a gallon or more will work fine
as there is no pressure in the over flow tanks. Several stock Mazda
tanks look like they will work fine.

Paul Lamar
 
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