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Old 08-02-2012, 03:44 PM   #9 (permalink)
gone-ot walking...
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...probably, but my understanding is that the actual percentage-of-ethanol in the gasoline 'blend' can/does vary with each different tanker truck delievery because the ethanol is "added" into the 'straight-stock' gasoline after its received from the delivery pipeline source, just prior to its delivery to the gas station (to reduce water absorption), so each state/locale has different proportions on an almost daily basis! Notice the labels typically read "...up to XX% alcohol...", carburetor adjustments made today probably wouldn't be as good or effective when you make your subsequent tank fill-up.
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