Gen III and IV GM Small Block V-8 Engines - Lego Engines
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14. The harness plugs into the throttle positions sensor, idle air-temp sensor, MAP sensor, and idle air control on the intake as well as the knock sensor. The Turnkey engines use one knock sensor to tell the computer if the engine is detonating early and thus pulls timing. The truck, LS1, and LS6 blocks have knock sensors under the intake, while the LS2 and LS7 have them on the side of the block. View Related Article
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