What is the timing setting for a 1975 corvette 350?

The timing setting for a 1975 Corvette with a 350 engine is typically around 4 to 6 degrees before top dead center (BTDC) at idle, with the vacuum advance disconnected. It's important to check the specific factory service manual for any variations based on the engine's specifics or modifications. Additionally, ensure to adjust the timing with the engine at operating temperature for the most accurate results.