E15% Blend posted by Dawg 1 on March 14, 2013 at 07:14 AM
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E15 will generally be safe to run as far as the engine. In some states, law requires regular fuel to be mixed with ethanol up to 10% or something IIRC.
Now, the early 300ZX has fuel injectors that fail due to this ethanol content and their "always on" design.