LS2 Intake Manifold Porting - LS2 Stealth Mods
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Though it certainly flows more air than either the 75mm LS1 or 78mm LS6 throttle bodies, careful porting and polishing, including boring out the main bodies restrictive ridge at the leading edge of the throttle blades as shown on this Shaner Performance throttle body, leads to additional power gains. A cost-effective mod, a typical Shaner Performance throttle body on an LS1 will normally pick up 5-7 horsepower. View Related Article
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