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Old 02-24-2008, 11:52 AM   #21
Dr. Flyview
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Originally Posted by Mystikal View Post
Go ahead and try the 91, Mark likely advised you that because the mapping isn't aggressive enough to make 91 dangerous.

As for the ethanol itself, it's just not as efficient as gasoline.

Didn't you say you get less fuel economy with the ethanol? Basically I'm asking what are the reasons you stay away from it?

1998 BMW 328is - summer
1993 BMW 525i - daily
1994 BMW 325i - sold
1992 BMW 325i - gone
1988 Mercedes Benz 190E 2.3-8V -

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