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    What Level Octane to Use on SS

    Thanks! I have only had it for less than a month, using regular, so I will change to 93 right away! And thanks for the warm welcome, I am posting some photos now :-)
  5. A

    What Level Octane to Use on SS

    What level Octane to use? Hello! I just recently bought a Cobalt SS Supercharged (2007) and the man at the dealership told me I only needed to use regular octane gasoline, but someone told me today that I should be using a higher grade. I did some research online but I have heard...
  6. A

    What Level Octane to Use on SS

    Hello! This answer is probably already on here somewhere, but I have heard so many different things I just wanted to hear your opinion! I recently bought a Cobalt SS (2007) Supercharged, and the man at the dealership said I only needed to use regular gasoline, but a lot of people have been...

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