Gas Grade and Mileage

frost

I dunno who these people are saying use 87, that almost sounds like a fairy tale. Now, I have heard of people putting 87 in and then having performance issues.

Without trying to sound like a douche nozzle, why look at a car that probably costs mid to high 20s if you're gonna stress about a couple bucks at the pump?
And regarding upgrades to make the fuel mileage better? Well it doesn't make much sense to spend hundreds of dollars on parts to save a couple bucks either.

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370z OG