How To Clean Cast Iron Engine Block
Baking soda has proved to be an effective cleaning media on cast iron and aluminum and can be used dry or mixed with water to create a cleaning slurry.
How to clean cast iron engine block. After scrubbing the engine block fill a second tub with warm water. If you have a pressurized spray washer you may also use this to rinse off the engine block. Adding some aluminum oxide to the mixture can increase its cutting action even more. Let it sit in for a few minutes to rinse off the deposits and the cleaner.
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