Engine Cooling System - Cool Running
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Brass freeze plugs (shown) last longer than standard steel plugs because the brass cannot be attacked by rust. What's unfortunate about this particular engine, though, is that the block has cracked (arrow), most likely because the engine was not protected with the proper blend of antifreeze. When water freezes it expands, and not even the cast-iron sides of an engine block will stop its progress. View Related Article
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