cwc our cars burn more gas to be safer. the reason why subaru engines run and last so long is that they are dummy proof. they burn more gas to prevent damage to the engine.
using octane thats different from what the factory says is probably not the best results in power and/or mileage. you can pre detonate.
using octane thats different from what the factory says is probably not the best results in power and/or mileage. you can pre detonate.