Radiator Cleaning and Mess

This thread is almost 6 years old already. If I run into such a rust filled block again, I'll try RUST911 first, as it won't make the mess the vinegar did.


BTW my engine is no longer pukes out the overflow and no longer overheats.
 
I just used the evaporust product, available in auto parts store, called thermocure. I left it in for a couple of weeks. I’ve put 5 or 6 hundred miles on since then with no problems.
 
Have already been flushing occasionally with vinegar, had severe rust/scale issues, for the last 1-2 years. Am concerned because I was unaware of the follow up flush using baking soda/water. Always flush/backflushed extensively with a garden hose, then adding distilled water and Macs rust inhibitor. Was wondering if I am damaging leakless pump seals and if I could have caused any other damage. Have seen other posts about thermocure/evaporust and rust911, wish I had known before, but was not aware of the Barn at that time. Am blown away about this resource, and the willingness to help and kindness of its members. Am a new member of the Barn, and am not an expert or a mechanic, more of a newbie finding his way on As.


Thanks.
 
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