How many degrees before top dead centre is the timing on a Nissan r33?

The timing for a Nissan R33, specifically for the RB26DETT engine, is typically set at 15 degrees before top dead center (BTDC) at idle with the timing light. However, it’s essential to refer to the specific service manual for your vehicle to confirm the correct timing specifications, as variations can exist based on the engine condition and model year. Always ensure the engine is warm and at the proper idle speed when checking timing.