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chris410 previously said:

Just curious on what everyone runs since the label says premium does everyone follow that or do people run different grades of gas.

Thanks for the input!

I have read all the blogs about differences in gas octane, Toyota manufactures their engines to run on the lowest octane available in the country that is manufactured. That means 87 octane, don't care if its a 470 lexus( v8) , or a v 6 tundra, same motor as the FJ. I have both, and have not detected an increase in mileage in upgrading to 91 to 93 octane. Does it run better, absolutly, better mileage, no.

I have to drive to Mexico alot, fill up there on 87 regular at $2.40 gal, mileage is the same, performance, not as good, but if your driving a ton of miles on the slab, who cares how fast you can cruise at 75 mph.