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gone-ot · 05-06-2011, 04:29 PM

...FYI a lot of the 89 octane fuels sold are just 83 octane with full 10% ethanol, so are actually E10 = G90.

...only the 93 octane fuel (so far) is pure gasoline (E0 = G100), at least here in AZ.

05-06-2011, 04:29 PM	#10 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	...FYI a lot of the 89 octane fuels sold are just 83 octane with full 10% ethanol, so are actually E10 = G90. ...only the 93 octane fuel (so far) is pure gasoline (E0 = G100), at least here in AZ.