The recommended octane rating for a 3.8L V6 engine in a Chevy Camaro depends on the model year. Chevrolet's recommendations varied slightly over the years. However,
most 3.8L V6 Camaros called for regular unleaded fuel (87 octane).
To be absolutely certain, check your owner's manual. The manual will specify the recommended octane rating for your specific year and model Camaro. The fuel cap might also have a sticker indicating the recommended octane.
