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What the appropriated fuel for a lt1 5.7?

The appropriate fuel for a LT1 5.7L engine is unleaded gasoline with a minimum octane rating of 91 (AKl) or 87 (RON). However, many owners find that using a higher octane fuel, such as 93 (AKI), can provide slightly better performance and potentially smoother running, particularly under high load conditions. Always consult your owner's manual for the manufacturer's recommendation. Using fuel with a lower octane rating than recommended can lead to knocking (detonation) which can damage the engine.