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#1: 11-11-2012, 08:45 PM
Tuned for winter gas?
Title: Senior Contributor
Location: Chicago, IL
Car: 08' spec B
Posts: 713
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I think we already have winter gas here and as always I am scratching my had over differences in fuel and how it influences my tune. I found pretty interesting article on summer vs. winter fuel. It kind of flipped my notions on winter gas upside down. Higher 02 content, lower vapor pressure and higher octane add-ons at least on the paper should help our tunes. I was tunning my car sometime in spring and don't remember what fuel I was on. Have to talk to my tuner if he has date of the tune in his logs but my question is does it influence the tune and in what way? Should midwest people tune in the winter or summer for safer tune? Link to the article here:
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