the final but essential steps in setting up a racing engine.

On modern engines equipped with electronic ignition and fuel injection, some or all of these tasks are automated but they still require initial calibration of the controls. The ECU handles these tasks, and must be calibrated properly to match the engine's hardware.

Engine tune-up

The term "tune-up" usually denotes the routine servicing of the engine to meet the manufacturer's specifications. Tune-ups are needed periodically

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