@ conor1123: 13 for an NA motor isn't technically "standard" per sey from factory. After a tune for power then yes, it is what a lot of NA cars aim for since it is a good balance of power and detonation resistance. As i stated earlier, it's what i am going for after my tune
@ Arnold K.: The lean factor is what every vehicle is tuned for under basic driving. Better fuel economy is achieved from a leaner mixture and with it tuned for less throttle and under less load, detonation is assumed to never be an issue for factory settings. There are really no repercussions for running as rich as the stock map has it set at other then burning more fuel then technically necessary unless it is ridiculously excessively rich in which it would flood the motor. It does run cooler then a higher AFR for a little bit but it does lack power. Its more of a "safety net" and for your average driver then someone trying to maximize power gains.
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