LS Engine Build - The Garage-Built LS Stroker, Part II
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The stock L92 ports are generous, but the CNC-ported versions are even larger with a cross-sectional area of more than 3.2 square inches at the opening, and they get larger from there. To put that in perspective, the GM SB 2.2 NASCAR race head from a few years ago measures roughly 2.8 square inches. View Related Article
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