Quote:
Originally Posted by OrdnanceMarine
Costco is what I run 75% of the time (whenever I'm at a gas station out of town since we don't have a Costco within 90 miles) and I've never had any trouble. My thought is that gas at Costco is basically as fresh as you can get since they sell so much they have multiple trucks delivering fuel daily. Freshness counts as most of today’s fuels have alcohol blended in which absorbs water over time and allows octane to fall more quickly than straight gasoline. I always get very high flow rates from their pumps so I think they keep up with pump maintenance such as changing filters out or replacing worn components. With just over 35 MPG during the lifetime of my Si, it seems to be burning quite nicely.
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Thank you,..yes Costco only 3 blocks from my house!