Classic Cubes From An LS1 Part 1
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Darton's sleeves are centrifugally cast nodular iron, as the benefits ofcast iron for ring sealing are long established. Darton manufacturessleeves for the Gen-III engine in various sizes, including the picturedbore size of 4.110 inches. Stock sleeves are easily identified by theirribbed construction and cast-iron grey color (right). The Darton sleeveshave cylindrical grooves on the upper half and coolant passages, whichreplace the factory passages that were eliminated during the boringprocess. In addition, Darton states the liners have additional coolantpassages, which provide more even cooling of the upper portion of thesleeves. View Related Article
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