andy r, We use a product called Calci-Sol, only place we could find it is at a plumbing shop. It is a acid so it does have to be neutralized with baking soda water after you flush it out of the core. We always took the core out of the vehicle and poured into the core while it is in a tub,for safety we also use rubber gloves on the hands and goggles for the eyes.We use alot of plastic totes so we can swish it around with a lid on it. This product is marvelous for desolving rust/lime/calcified deposits. Just make sure you keep it away from children and pets,and don't stand over it while it is being used the smell will harm the lungs.It truly works.They use it in boiler systems for removing such problems. The place her that handles it is W.A. Roosevelt part # for it is 4134-24. The last cost for a quart was $6.34. Two quarts should do that core with extra left over. We also use it to clean rust off of bolt,nuts washers,anything that we can fit in a tote that has rust or corrosion.Just don't use it on Aluminum or Magnesium type metals.It eats it up. Hope it helps. Regards, LOU
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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