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  • #16
    I would only use water-meth if your chasing that last bit of HP . If your intake air temps are too high either get a better intercooler or lower the boost .

    Preeny , has someone hacked your FB account ?
    Bug_racer supports the rebellion of the euro revolution

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    • #17
      Originally posted by Bug_racer View Post
      I would only use water-meth if your chasing that last bit of HP . If your intake air temps are too high either get a better intercooler or lower the boost .

      Preeny , has someone hacked your FB account ?
      Very valid point. However, if you want that bit extra and don't want to have to increase your intercooler size etc etc, this is a viable option I believe.

      Yeah I left my phone on charge in my toolbox and I recently removed the screen lock. That was a mistake. Haha.
      Last edited by Preen59; 07-08-2012, 01:55 AM.

      APR Tuned | KW Suspension | INA Engineering | Mocal Oil Control |
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      • #18
        Just to let everyone know, that all this talk should be referenced for "Off road use only" - Water Meth (or any alternate "fuel" system) has to meet the requirements of ADR 17 & be engineer certified for street use.

        There have been plenty of cases of defects happening, and it's pretty hard to get them engineer certified in all the Eastern states at the moment.

        If anyone has some good examples of legal engineered installations, this would be a good reference thread for all those trying to do an installation.
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        • #19
          Originally posted by Guy_H View Post
          Just to let everyone know, that all this talk should be referenced for "Off road use only" - Water Meth (or any alternate "fuel" system) has to meet the requirements of ADR 17 & be engineer certified for street use.

          There have been plenty of cases of defects happening, and it's pretty hard to get them engineer certified in all the Eastern states at the moment.

          If anyone has some good examples of legal engineered installations, this would be a good reference thread for all those trying to do an installation.
          Valid point, Guy.

          I'll speak to my Automotive Engineer friend and find out the details of legality for road use in NSW.

          APR Tuned | KW Suspension | INA Engineering | Mocal Oil Control |
          Website: http://www.tprengineering.com
          Email: chris@tprengineering.com

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          • #20
            I installed a Snow performance kit on the M5 when I put the supercharger on it in May 2011. My primary motivation was simply to eliminate the risk of detonation, but the fact that the ESS supercharger kit that I used doesn't use an intercooler means the water/meth made a huge difference to the power output, from 316rwkw with no meth, to 350rwkw running meth.

            The snow performance kit is cheap, and very configurable. Methanol is cheaper than petrol (about $1.10 per litre), and you use so little of it. I've done 20,000 kms since installing the kit, and i've used a grand total of 25 litres of Methanol (so 50 litres of 50/50 water/meth mix. I have a 12 litre tank installed in the boot, I just top it up once a month or so. And anyone here that knows me will tell you that I am not a sedate driver.

            Admittedly, my circumstances meant that meth injection was perfect for me, and most other people aren't going to get the same benefits that I did, but one thing is for certain, any performance car that I won in the future will have a meth injection kit fitted as one of the first mods
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            • #21
              John,

              The benefits are obviously there (and you have proven them yourself)- how do you get engineering approval in Victoria? That would require an engineer approved vented (crash tested) tank mounted in an approved location, with safety cutoffs & approved lines. The engineers approached say a Snow Performance kit wouldn't have a snowflakes chance in hell of getting approved without being completely re engineered.

              I understand Advan performance in Sydney have been working on vehicle specific (BMW) water meth tanks built to standard, but don't know if any have ever been approved.
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              • #22
                To avoid the engineering issues I would suggest looking into a E85 option.

                This "generally speaking" will net greater results in power and has a lower and therefore safer detonation point than water/meth.

                You will need to prep your fuel system first. The general rule is you need to at least double your current fuel injector size as well as upgrade to an appropriate pump system usually an inline upgrade . This really depends on turbo size from what I've seen done on other forums where this upgrade is more of a "must have" power modification rather than a last resort point of view.

                If you are lucky enough to have a few petrol stations in your area that supply it and you don't travel much then you only need the one tune. However it's a very good idea if your going to use E85 100% of the time to look at approved hardware and lines as standard stuff will eventually fail.

                If you are only wanting to use it occasionally for track sessions etc. it's not so important as the guys on Vortex who have been running E85 for years with normal pumps and factory lines will attest. However you need to find a tuner (and I strongly recommend a custom tuner with E85 experience) that can offer easily switchable tunes from standard pump fuel.

                E85 offers the best detonation protection as well as having brilliant engine cleaning properties.

                The cost can add up injectors, pumps, lines and tune. But when you factor in the cost of a decent water/meth set up and the required tune plus the engineering certification (which I understand is quite high) you may actually come out in front.

                Just a thought cheers

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                • #23
                  Good point, E85 on a port injection vehicle is the go - it's legal, uses most of the existing fuel system and is readily available.

                  On the direct injection cars it's not so easy - the quantity you require through the available hardware (pumps & injectors) is an issue and @ 7000rpm, the injector time width gets pretty narrow
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