Build Your Own 348 409 Valve Covers Sanding Top
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After completing the weld, the top was sanded to provide a smooth surface for the base of the router to ride on. An ordinary router with a woodworking carbide-tipped 5/32-radius round-over bit was used to cut a uniform radius where the top and the sides meet. Again, hand bar soap was used as a lubricant. View Related Article
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