Re: Restrictor washer instead of t-stat
Frank before coating the surface it would have to polish it. The top plate, tubes and solder are not shiny and polished after a radiator is built or recored, It is dull and has an acid etched look. If I recall when I had the pumps off the block looked brand new inside. This was a brand new block when I put it in the 39 over 30 years ago, the heads were also new. I'm not going to pull the pumps but sometime this week I will drain the water down some and get my son inlaw who is a professional photographer to come over and take some good pictures down in the radiator and in the heads and post them. I believe the Barrs bottle states it helps prevent electrolisis also. Probly the PH in the coolant if controled would help?? G.M.
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