What is the timing setting on a 1984 305?

The timing setting for a 1984 Chevrolet 305 engine typically requires a base timing of 8 degrees BTDC (Before Top Dead Center) when set at idle with the engine running. It's important to ensure that the engine is fully warmed up and that the timing is adjusted with any vacuum advance disconnected. Always refer to the specific service manual for your vehicle for precise specifications, as variations may exist based on specific configurations or emissions equipment.