How do you tune up a 1986 Nissan 300zx?

To tune up a 1986 Nissan 300ZX, start by replacing the spark plugs and ignition wires to ensure optimal combustion. Check and replace the air filter and fuel filter for better airflow and fuel delivery. Inspect and adjust the timing, and ensure the battery and alternator are functioning properly. Finally, change the engine oil and filter to keep the engine well-lubricated and maintain overall performance.