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Reply to "351C with 35,000 miles - Need to rebuild?"

For those inspecting engines by pulling rods or main caps: finding a copper layer is noteworthy, but it only happens with tri-metal bearings. There are also bi-metal bearings in common use which do not use a distinctive copper flash-coat. With these, you need some experience and common sense in evaluating damage. And a set of micrometers!
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