Quote:
Originally Posted by DeliciousTuning
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ASTM D5798-11 Standard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines
"The original specification set the minimum ethanol content at 75% which was lowered to 68% in June of 2010, and lowered again to 51% in June of 2011. As of February 2012, this is the current specification and E85 purchased from the pump could have an ethanol content as low as 51% and still be within spec."
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Is this a country wide issue as the pump I fill up at states a minimum of 70% of ethanol? I haven't personally tested the ethanol content but based off the LTFT's my car is running and the cold starting issues with a straight E85 tune I'm guessing the ethanol content is actually higher than 85%.
Obviously a true flexfuel setup is ideal and that is one of the nice things that ECUtek has going for it right now.