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93 octane
So in Des moines Iowa i found out I can get 93 octane at 20 miles away at Walmart or in town at Cosco. Murphy gas at Walmart. Don't know about cosco quakilty. Anyone?
Also very important question. How long does 93 octane have to sit to lose its octane to say 91? I may not fill up for weeks at a time. This is a weekend driver. So I guess I could just do have tank fill ups.
Just debating on what I should tune for. 91 or 93 when I get to that point.
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