Quote:
Originally Posted by 2Z's4me
I think you are fine if your are running 93 octane which is recommended for this car by GM. In California 93 octane is not available so I mix Sunoco 100 with 91 pump to get 93 octane. I do this with two of my cars and works fine, the 100 octane is expensive $8.99 per gallon, but worth it.
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Still a bit more down here in So Cal for 100 octane!
