De Stroked Ls7 Short Stroke Of Genius 004
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2 Thomson Automotive started with an LS7 block (PN 19213580) from GM Performance Parts. It’s a 319-T5 aluminum casting with Siamesed bores and 4.125-in cylinder lines that are deck-plate-honed from the factory. The big-bore block was crucial in building the high-revving, over-square engine combination. View Related Article
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