Is 87 octane used for 1981 nissan 280zx?

Yes, the 1981 Nissan 280ZX is designed to run on 87 octane fuel. The engine can operate efficiently with regular unleaded gasoline, which is typically rated at 87 octane. Using higher octane fuel is not necessary for optimal performance and may not provide any significant benefits. Always refer to the owner's manual for specific fuel recommendations.