Thread: E85 Tune????
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Old Sun, February 14th, 2010, 12:26 PM
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The problem with running E85 is that the compression ratio in the engine doesn't change so you can't take advantage of the higher octane of E85. Sure, you can advance the timing a bit and that helps improve efficiency of the combustion and provides a little more power, but engines built specifically for E85 would notice a significant power increase from higher compression. The same goes for oxygenated fuels.
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