What octane fuel for 2jz engine?

The Toyota 2JZ engine, particularly in its turbocharged versions like the 2JZ-GTE, typically performs best on high-octane fuel, ideally 91 octane or higher. Using premium fuel helps in maximizing performance and minimizing the risk of knock or detonation under boost. If the engine is modified for higher power levels, even higher octane fuel, such as 93 or 100 octane, may be beneficial. Always consult the owner's manual or a performance specialist for specific fuel recommendations based on your setup.