Texas Speed LS1 Cylinder Head Upgrade - Big Power, Small Change - Part 1
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Before beginning installation of the heads, the negative battery terminal is disconnected, the car is raised on a lift, and the radiator is drained. In order to remove the heads from the engine, the Jet-Hot headers and Y-pipe have to come off. The front and rear O2 sensors are disconnected, then the factory issue band clamp that joins the Jet-Hot 3-inch Y-pipe to the Corsa after-cat exhaust is loosened, followed by the exhaust and band clamps that retain the header and test pipes (or high-flow cats, if installed). View Related Article
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