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Thread: Flex Fuel Vehicle Questions

  1. #1
    Join Date
    Dec 2004
    Location
    NY
    --
    3,185

    Flex Fuel Vehicle Questions

    I may buy a used 2013 flex fuel Yukon. I have never owned a flex fuel vehicle and I just tried reading up on them. Anything that I should know? I live in the Northeast (pretty cold winters). Any typical headaches or are they pretty reliable?
    Wikipedia "All Terrain Vehicle" Definition excerpt
    Other smaller or lesser known companies, such as Tiger ATV, Franks, and Cagiva, produced racing three wheelers, but in much smaller numbers. Few of these machines are known to exist today and are highly sought by collectors.


    Check out my Tiger 3 wheeler Webpage..my quest for a TIGER MUSEUM started 2004 http://sites.google.com/site/tigerrotax/home

    Rides: TIGER Factory line up, Tricky Dicks Cagiva 200, 4- Franks 3 and 4 Wheelers

  2. #2
    Join Date
    Jan 2011
    Location
    Brazil, Indiana
    --
    2,087
    E85 costs more per mile than gasoline. Yes it costs less, but it doesn't deliver the same power or fuel economy as gas.
    my feedback thread http://www.3wheelerworld.com/showthr...-hoosierlogger


    TRIKEFEST 11, 12, 13, 14, 15, 16

    Current rides
    Taurus 650 (green)
    85 250es big red
    83 ALT50 (5 year old daughters)
    82 ALT50
    82 ALT50
    84 atc 70 stroked big bore 90 STILL in progress.
    71 QA50
    93 TRX 300 FW

    Quote Originally Posted by fabiodriven View Post
    Ya'll are the biggest bunch of whining b!tches I've seen in my entire life.
    You might be strong as an ox, but without a cart you are just a big dumb animal.

  3. #3
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,019
    I'm on my second GM with this feature and as hoosierlogger said running E85 seems to cost more. You can expect 12 to 14mpg on the E85 and up to 19mpg on regular gas when running between 75 and 80mph. It should go up a couple mpg if you can hold it at 60mph.

    On the plus side GM says my 2013 5.3L engine makes 15HP more on E85. As far I can tell the main cost of the Flex fuel system is because you get a corrosion resistant fuel system and with all the crap that fuel seems to have in it now that can't be a bad thing. Also note worthy it seems my truck gets slightly better mileage on the 87octane than 91.

  4. #4
    Join Date
    Jun 2010
    Location
    House Springs MO
    --
    5,496
    My 2010 5.4 F-150 is flex fuel, but has never had a drop of the e85 in the tank and I've had zero roblems.

  5. #5
    Join Date
    Dec 2004
    Location
    NY
    --
    3,185
    Thanks everybody! I just wanted to be sure there were no hidden demons in these vehicles
    Wikipedia "All Terrain Vehicle" Definition excerpt
    Other smaller or lesser known companies, such as Tiger ATV, Franks, and Cagiva, produced racing three wheelers, but in much smaller numbers. Few of these machines are known to exist today and are highly sought by collectors.


    Check out my Tiger 3 wheeler Webpage..my quest for a TIGER MUSEUM started 2004 http://sites.google.com/site/tigerrotax/home

    Rides: TIGER Factory line up, Tricky Dicks Cagiva 200, 4- Franks 3 and 4 Wheelers

  6. #6
    Join Date
    Jan 2014
    Location
    Massachusetts USA
    --
    782
    I don't know about NY, but there's no E85 to be found here in Mass, at least not that I've seen. There is very little difference between a FFV and a standard one, just the corrosion resistant parts as ElC mentioned. Oxygen sensors may be different, larger injectors usually, and different PCM programming, that's it.
    1985 Tri-Z 250
    1985 ATC250R

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