Manifold Swapping for Roots Blower - 134 HP With One Bolt-On!
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With a blower, if you can't get the air in, you can't make power. Weiand recommends a 750 cfm for virtually all blower engines up to 454 inches. We jetted the secondaries on a Holley 750 HP carb to 80/87 and gained an easy 13.7 hp for a total of 479.5 hp. View Related Article
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