Cast Iron Lsx Block Cnc Machine
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To create a 418, the bore needs to be opened up to 4.080 and the stroke elongated to 4.000. GM LS3 main caps are torqued to spec in order to maintain load conditions on the block before machining. The block is then set up on a Rottler F-67A three-axis CNC machine and the deck height is measured against the stated height of 9.240 inches. After three passes, the deck height is set to 9.238 inches. View Related Article
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