LS2 Intake Manifold Porting - LS2 Stealth Mods
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Let's take a quick look at the factory LS2 throttle body. Carried under PN 12570790 and retailing for $477.22 directly from GM, this is an excellent factory throttle body. Rather than utilize air tubes to maintain proper idle characteristics, the LS2 throttle body has an intake air control (IAC) sensor and throttle body actuator motor that will electronically open and close the throttle blades a precise amount. One shortcoming, however, is the ridge at the leading edge of the throttle blades. View Related Article
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