Which Brand.......
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Unocal 76. Because it's consistently cheaper than Shell or Chevron for premium. I've been thinking about changing anyway because the 76 station uses one pump for all 3 grades of gas and you switch the grades by pushing a button, whereas the Chevron has seperate pumps for all 3 grades. Is this just paranoia that some of the other grade of gas is getting mixed in? Is the amount of mixture insignificant?



