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I hate ethanol gas

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    #16
    Originally posted by 91Saleen#15 View Post
    I have about 14 e30s sitting around
    Holy crap man :hitler:


    I'm not exactly sure what you guys are talking about.. I always fill with 91.. Is there a distinction between ethonal and non-e gas..?

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      #17
      Okay, so back in the 70s, the feds began requiring oxygenating additives to reduce emissions. The chemical of choice was MTBE, methyl-tertiary-butyl-ether. It worked well, but is very persistent in the environment when a spill occurs and is quite toxic.

      Ethanol on the other hand adds the necessary oxygen, some knock resistance, water absorbing abilities (debatable, but I see it as a positive) and it doesn't contain long lasting carcinogens. It's also relatively cheap and easy to produce. Why all the hate? I don't see any good reasons not like ethanol blended gasoline.
      --Will

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        #18
        how about gas mileage? e blended fuel screw that. power? ethanol produces less btu's and thus less power per amount used but thats why the fuel mileage suffers. and ask anybody that owns a boat that had to replace their fuel systems when ethanol became popular how they like it.

        e85 is a nice alternative to high octane fuels when u wanna build a race car but the only reason ethanol blends like 10% are at pumps all over the streets is because the government gives a tax beak on the fuel so it costs the gas stations less to buy the blended shit, and what do they care if people have to come back and buy fuel more frequently, its good for their business.
        Shawn @ Bimmerbuddies
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          #19
          Ethanol can be oxidized to acetic acid, which is really bad for metal. I do not know the oxidation rate of ethanol inside a rusted gas tank so it is hard to say that e-gas is responsible for destroying the gas tank. It is possible...

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            #20
            I've also heard ethanol hurts engines... Honda engines specifically... Though i'm probably wrong I thought it wears out engines faster.
            1989 BMW 325is | 2019 Ford Ranger FX4
            willschnitz

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              #21
              The power and fuel economy losses in e10 are hardly enough to notice, a couple percent difference.

              The most widely cited reason for it "being bad" for engines is because the type of rubber that was commonly used for shit like injector o-rings will degrade from the ethanol. Again, not a huge deal. I think most of us have swapped injectors sometime in the last 5 years anyways.

              So you guys just don't give a shit about toxic chemicals in your ground/drinking water?
              --Will

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                #22
                My E30 actually seems to run better on E10 87 octane.. o_O

                >> 1988 3.1 ITB E30 /// 2002 E46 M3 6MT / 2008 335xi 6MT / 1991 S38B36 E30 (sold)

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                  #23
                  Originally posted by CarsSuck View Post
                  The power and fuel economy losses in e10 are hardly enough to notice, a couple percent difference.

                  The most widely cited reason for it "being bad" for engines is because the type of rubber that was commonly used for shit like injector o-rings will degrade from the ethanol. Again, not a huge deal. I think most of us have swapped injectors sometime in the last 5 years anyways.

                  So you guys just don't give a shit about toxic chemicals in your ground/drinking water?
                  its very noticeable on old shit that is not designed to run on it. you know like the M20. Yes the Eth eats the older Fuel system rubber.

                  Eth is not CHEAP to produce either, about 2 1/2 times more expensive from Seed to tank than petroleum is from hole to tank. In other words it takes way more input energy than it returns as opposed to petrol.

                  I hate the the shit. E85 is a joke and Ethanol and bio fuel in general are dead end jokes that will not supply the USA lot alone the worlds fuel supplies, especially if you want to eat food too.
                  Originally posted by Fusion
                  If a car is the epitome of freedom, than an electric car is house arrest with your wife titty fucking your next door neighbor.
                  The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money. -Alexis de Tocqueville


                  The Desire to Save Humanity is Always a False Front for the Urge to Rule it- H. L. Mencken

                  Necessity is the plea for every infringement of human freedom. It is the argument of tyrants.
                  William Pitt-

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                    #24
                    I really can't wait to get an ethanol tune.

                    Originally posted by VinniE30 View Post
                    BTW your sig is badass
                    sigpic

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                      #25
                      To add my .02..we burn gasoline and coal to produce ethanol. So in reality e10 doesn't make gas cheaper, it just gets burned differently.
                      No antenna? I sell plugs!

                      Here: https://www.r3vlimited.com/board/sho...77#post4937877

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                        #26
                        Originally posted by mikeedler View Post
                        I would bet the rust has more to do with your tank being 20 years old, as well as the fuel lines.
                        E10 doesn't other me too much.
                        What he said.
                        Besides, should'nt added alcohol make the engine less prone to knocking? Good thing for me, planning to have 11,5:1 CR on a street engine. :)
                        They sell 95E10 and 98E5 where I live, I tend to fill up E30's with the latter.

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                          #27
                          Originally posted by petrolhead View Post
                          What he said.
                          Besides, should'nt added alcohol make the engine less prone to knocking? Good thing for me, planning to have 11,5:1 CR on a street engine. :)
                          They sell 95E10 and 98E5 where I live, I tend to fill up E30's with the latter.
                          No. They use shittier gas to offset the octane boost from ethanol. This is one of the big problems - the ethanol and the gas can separate if they sit for too long. Sensitive engines won't like that.
                          2006 GMC Sierra 2500HD 4WD LBZ/Allison
                          2002 BMW M3 Alpinweiß/Black
                          1999 323i GTS2 Alpinweiß
                          1995 M3 Dakargelb/Black
                          - S50B32/S6S420G/3.91
                          1990 325is Brilliantrot/Tan
                          1989 M3 Alpinweiß/Black

                          Hers: 1996 Porsche 911 Turbo Black/Black
                          Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd

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                            #28
                            Originally posted by CarsSuck View Post
                            The power and fuel economy losses in e10 are hardly enough to notice, a couple percent difference.

                            The most widely cited reason for it "being bad" for engines is because the type of rubber that was commonly used for shit like injector o-rings will degrade from the ethanol. Again, not a huge deal. I think most of us have swapped injectors sometime in the last 5 years anyways.

                            So you guys just don't give a shit about toxic chemicals in your ground/drinking water?
                            my wife's car goes from 26mph average to 23mpg on ethanol. the E30 goes from ~19 to ~16mpg. yeah, that makes a big difference, especially when gas is always over $4/gallon here.

                            E10 is completely pointless. Plus, with coming droughts and food shortages, the wisdom of burning our main food source as fuel will become even more questionable. Sure it gave us temporary releif at the pump, but it also caused food inflation to double. Oops.

                            speaking of toxic chemicals in our water, how many million gallons of water do you think they have to poison to grow all that corn so you can burn it in your engine? Corn is an extremely water intensive crop, and it needs fertilizer to grow (which they make from OIL, hahaha).
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                              #29
                              Originally posted by nando View Post
                              my wife's car goes from 26mph average to 23mpg on ethanol. the E30 goes from ~19 to ~16mpg. yeah, that makes a big difference, especially when gas is always over $4/gallon here.

                              E10 is completely pointless. Plus, with coming droughts and food shortages, the wisdom of burning our main food source as fuel will become even more questionable.
                              Agree'd.

                              I notice a very nice bump up in fuel economy when I run pure petrol. Also, the car seems a lot happier burning it, especially the M3.
                              1974.5 Jensen Healey : 2003 330i/5

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                                #30
                                plus it costs like 5 cents more a gallon. that's 75 frickn' cents if I need 15 gallons to fill up.

                                I laugh at people that drive around to find the cheapest gas station to save 10 cents a gallon.. They waste that in gas, not to mention their time, and time spent waiting in line (there are always long lines here at cheap gas stations).
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