Unleaded vs Premium Gas

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  • sworld
    Confirmed User
    • Feb 2003
    • 512
    #1

    Unleaded vs Premium Gas

    Alright guys, I heard several different stories. Does anyone know the truth...

    Story #1 :The gas you buy from the pump is all the same. There's no such thing as Premium gas. All the gas comes from the same tank, you're just paying more if you choose the premium pump.

    Story #2: They did a study and gas is gas. The premium gas doesn't help or hurt your car. You should just buy regular unleaded...same difference.


    Does anyone know the truth? Should you spend more money for premium gas or not? does it even exist?

    Tags: None
    • fuzebox
      making it rain
      • Oct 2003
      • 22351
      #2
      Uh...

      It's all unleaded, it's illegal to run leaded gas in most places.

      As far as regular versus premium goes, it's based on the octane rating (87, 89, 91, 92, 94, etc).

      Engines that make more power, heat, and higher compression (turbo/supercharger, nitrous, high compression NA, etc) will experiencing pinging and knocking, which will start to break things.

      Premium gas won't do anything for most economy engines, but most modified or high end cars require it.

        Comment

        • Dax
          Confirmed User
          • Apr 2002
          • 3161
          #3
          Trueee... I only put Premium in my Pinto!!

            Comment

            • MattO
              The O is for Oohhh
              • Feb 2003
              • 10861
              #4
              if you put the cheap gas in my wife's car, it runs like shit, knocks and gets horrible mileage

              if you put premium gas in her car, it runs smooth and seems to get better mileage


              I can always tell when she gets the cheap gas, you can definately hear and feel the difference.


              I don't know how cheap gas would be in my car, I wouldn't do that to my car.

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