Can engine timing change?
Can engine timing change? A timing chain runs inside the engine, as it needs to be lubricated by the engine oil. A timing belt typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle. It's a few hundred dollar repair. A timing chain doesn't need to be replaced unless there is a problem with it. What is the base timing of an engine? This is measured in degrees of rotation. Most engines set ignition timing somewhere between zero and 20 degrees before top dead center. This is called base timing. When set, the ignition system and...