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    Originally posted by Turf1600 View Post
    Can you make a car generate a complete combustion reaction?
    No, there are always losses in the process since the theories make a good deal of assumptions that don't always apply. That's why rather than predict accurate emissions results you have to measure it. Theory only gives you a ballpark.
    2017 Chevrolet SS, 6MT
    95 M3/2/5 (S54 and Mk60 DSC, CARB legal, Build Thread)
    98 M3/4/5 (stock)

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      Originally posted by vlad View Post
      .
      Awesome pics.

      Last edited by HarryPotter; 02-14-2010, 02:11 PM.


      "Its preparations are concealed, not published. Its mistakes are buried not headlined. Its dissenters are silenced, not praised. No expenditure is questioned, no rumor is printed, no secret is revealed."

      John F. Kennedy

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        Awesome Pics Vlad and Potter!
        stephenbrody.com

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          Originally posted by Bimmerman325i View Post
          Chemistry's not exactly your strong point, is it? Energy is given off by the combustion reaction but no mass is destroyed nor do molecules of gas disappear. Every single atom that enters the combustion chamber will leave the combustion chamber......conservation of mass and energy say you fail.

          I have worked in this exact field, combustion emission engineering. How emissions are measured is that you compare the difference between sampled ambient air and sampled diluted exhaust air (dilution is a known percentage, and is diluted with gas of known concentrations and proportions). 30 lbs of CO2 from a gallon of gas is believable for an average car.

          Ambient air is, by percentage, approximated by 79% Nitrogen and 21% oxygen. In reality, it's closer to 20% oxygen and 1% CO2, Argon, and other gases. But I digress. The CO2 in the air is simply dwarfed by the CO2 produced in the combustion process. Carbons from gasoline meet a shitton of oxygen in the intake air charge, and make a fuckload of CO2s among other wonderful emission byproducts.

          You do know what stoichiometric ratio is, yes? That air/fuel ratio you strive for? In general you want 14:1 air:fuel. That means that for 1 kg of fuel (gasoline) you want 14 kg of air. CO2 is by far the largest proportional emissions species a car emits. Basically 15 kg of total gas is combusted in the engine, with a very large percentage of the result being CO2.

          Or revel in ignorance, I don't care. Also, before someone starts throwing around the global warming bit, I'm not saying anything about that. Just that the above is what happens in combustion from chemistry.

          On a side note, at toyota gas pedals picture.

          I will concede that its been a long time since Chem and that yeah brain fart, energy comes from the chemical bonds being broken,(conservation of mass) Yeah I know what Stoci, is.

          Just still seems that 30lbs of CO2 to a gallon of fuel still seems way way high.
          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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            Originally posted by Bimmerman325i View Post
            No, there are always losses in the process since the theories make a good deal of assumptions that don't always apply. That's why rather than predict accurate emissions results you have to measure it. Theory only gives you a ballpark.
            pix or gtfo
            “There is nothing government can give you that it hasn’t taken from you in the first place”
            Sir Winston Churchill

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              Originally posted by vlad View Post


              Did that in my backyard, it was a bit cold and I didn't stand in quite the right place. You have inspired me to fix that.



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                Originally posted by Farbin Kaiber View Post
                Did that in my backyard, it was a bit cold and I didn't stand in quite the right place. You have inspired me to fix that.
                I like this kind of pics :up:

                have few more

                early fall



                late fall



                winter

                Last edited by vlad; 02-14-2010, 06:40 PM.

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                  Winter is ugly IMO. Makes me feel like shit.


                  "Its preparations are concealed, not published. Its mistakes are buried not headlined. Its dissenters are silenced, not praised. No expenditure is questioned, no rumor is printed, no secret is revealed."

                  John F. Kennedy

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                    Originally posted by HarryPotter View Post
                    Winter is ugly IMO. Makes me feel like shit.
                    Winter only looks good when the snow is falling.
                    after that the snow turns black and it looks like god shat on us

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                        ^^ blang blang
                        I got a fender roller now! LMK if you need me to roll your fenders or want to rent the tool from me locally.

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                          Originally posted by Patches View Post
                          Winter only looks good when the snow is falling.
                          after that the snow turns black and it looks like god shat on us
                          I thought I was the only one who thought of it this way. Thank you, oh, thank you.
                          sigpic

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                            1991 318is - Icy, the ice racing e30



                            Now offering Custom Rally Light bars Click the link below for more information!
                            http://www.r3vlimited.com/board/showthread.php?t=342498

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                              nice 911, but those lights, and that front air intake are hideous.

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                                I kinda liked the headlights... but now that you point out the front intake, it does look a little goofy.
                                1991 318is - Icy, the ice racing e30



                                Now offering Custom Rally Light bars Click the link below for more information!
                                http://www.r3vlimited.com/board/showthread.php?t=342498

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