LS3-Based 418ci Engine Build - Big Power, Small Budget
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A 6.2L (376ci) aluminum L92/LS3 block is the foundation for both the 418 and 427ci configurations. In stock form, the block carries a 4.065 bore and 3.622 stroke. To create a 418ci LS3, the bore will be opened up to 4.080 and the stroke elongated to 4.0 inches. View Related Article
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