Removing stuck parts
I have read several times on here about heating the stuck part and then cooling with cold water. The thermal shock helps making in lose especially after many days or weeks of soaking in your favorite penetrating oil. I don't like the idea of pouring water on my car parts to help losing them. Has anyone tried a CO2 type fire extinguisher which put out a very cold cloud without the presence of water? At this point I need to unstick pistons from the cylinder wall where they have been stuck for the last 40 years or so. Just wondering. Jack
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