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Old 10-21-2012, 09:37 PM
davidgcet davidgcet is offline
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everything from the computer(maybe just a reprog there) to the entire fuel system has to change. for one thing the seals in a non-E85 rated engine will break down after exposure to E85.

my wife's SLT is flex, and we ran a test between 89 oct and E85. on 89 oct she gets about 25mpg highway, on E85 she gets about 16!! so the price at current regular gas prices has to be close to 1.00 cheaper on E85 to make it worth running it. as it is though, E85 here is only about 0.65 cheaper and thus it costs us more to get the same total driven miles.
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