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Has any of you run water/meth injection on your tuned petrol's??

martin33100 Nov 24, 2019

  1. martin33100

    martin33100 Member

    I currently have a tuned diesel VW T5 2.5 diesel but it's being converted with a 2.5 RSQ3 engine.
    I currently have a water/meth injection system on the T5 running with the diesel when extra power is needed so I can easily set it up on the new engine.

    Just wondered if any of use have run it before on petrol's?
    V6_Man likes this.
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  3. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

    Quite a few use it when going for hybrid or big turbo builds.
  4. grainqey

    grainqey Active Member Team Daytona TFSI Owners Group Team Silver Audi RS3 Audi A3 Audi A4 DSG

    Ran an aem kit on my old A3 with all the S3/rs3 etc bits on.

    Felt like it made quite a bit of difference as the power didn't really drop off so much if hot or when it was more extended thrashing haha you could tell when I'd been having fun as it would eat fluid from the w/i so had to mess with the settings a bit until I was happy. Depending on the dilution it needed the settings changing too as too much straight water made it bog down slightly if that makes sense /maybe didn't vaporise it as well as with meth in for example

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