Piston And Ring Technology Ring Gapping
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Speed-Pro's Scott Gabrielson mentions, "It takes some experience with a given engine combination to know how small a gap you can really get to." The idea is to be close to a zero gap on the top ring at operating temperature, which is probably a minimum of 0.004-inch of bore. Do yourself a favor and use a ring-squaring tool to ensure the rings are square in their bores for measuring. View Related Article
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