Quote:
Originally Posted by LostCause
Flexfuel vehicles are a joke. They just have a few gaskets and rubber lines replaced with materials that won't corrode under high alcohol concentrations. - LostCause
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flex fuel vehicles have more done than that, the computer can sense the difference in fuel and adjusts the amount of fuel used so that you get proper burn, this is not done in regular vehicles that is why regular vehicles cant run e85. now if you dont use e85 and your vehicle is flex fuel, that is where the joke comes in.
but from my experiences, e10 and e20 do not give every vehicle decreased mileage, in fact my highest mileage (in jeep2) prior to modifications was 19.91mpg and that was with e20, i increased tire pressures and have maintained an increase since then but have not used e20 since that tank. i am considering using e20 exclusively though.