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Message: [QUOTE="Wayne, post: 436413, member: 863"] Well, The wife likes to put $50 at a time in it for whatever reason, and not let it get too empty, but I finally convinced her to run it all the way down, then fill it. She accidentially put in 85 octane (minimum required is 87, especially for this elevation), and it turned out to be a hand calculated 10.87 filling it when the fuel light was on. That gives us a 1 mpg improvement from the previous 87 octane with all stock stuff. The cat is sitting in the corner of the garage, and mild SCT tunes are loaded. We'll see in a few weeks what the 87 will do, and report when that tank is empty. We're still at 3/4, so it will be a bit. [/QUOTE]

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