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  1. #1
    Active Member Four Rings ThirdStrike's Avatar
    Join Date
    Nov 17 2006
    AZ Member #
    13467
    My Garage
    b5S4, b8.5 Allroad
    Location
    Las Vegas

    water/meth & alcohol injection

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    Who's done it on the S4 and if you have how did you do it? Where did you tap to inject??
    pre-map?? after the map??
    looking for the best route to take.
    im thinking on tapping the bi-pipe on both sides running dual nozzles pre-map
    pictures of your install would be more than helpful
    TIA
    00110100011100100110100101101110011001110111001100 001101000010100000110100001010

  2. #2
    Veteran Member Four Rings s2the4's Avatar
    Join Date
    Nov 02 2006
    AZ Member #
    13083
    My Garage
    01 Stage 3 S4 Silvaro, 01 S4 Avant Nogaro
    Location
    Western Mass

    Re: water/meth & alcohol injection

    Mark P from audiworld is running Aquamist 2D with just his APR stage 3 software. He has some nice graphs and install pictures on his website. http://ctny.audiworld.com/mark/s4/
    |MRC-Tuned Stage 3| | RS4 K04 Turbos | | RS4 Y-Pipe | | RS4 Airbox | | RS4 Fuel Pump | | 60lb Siemens injectors | | ER SMIC | | APR Bi-Pipe | | All JHM Goodies | Vogtland GT | | Porsche 993 TT Brakes | | 034 Motor & Trans Mounts|

    ...For now

    417whp @ KTR Ayer, MA 110 octane with open dumps
    clicky

  3. #3
    Veteran Member Three Rings ms4cd's Avatar
    Join Date
    Mar 23 2005
    AZ Member #
    5819
    My Garage
    Slow buckets
    Location
    Bay Area, CA

    Re: water/meth & alcohol injection

    Do a search, there has been issues with TB rusting and eventually locking up last time I wanted to do it.

    That is if you install in the bi-pipe

  4. #4
    Senior Member Three Rings AK1RA07's Avatar
    Join Date
    Dec 07 2007
    AZ Member #
    23182
    My Garage
    2001 S4, 1992 Miata, 1993 RX-7
    Location
    DFW

    Re: water/meth & alcohol injection

    Whats the alternative? Put the jets in the intake manifold?

  5. #5
    Veteran Member Three Rings AUDILUX's Avatar
    Join Date
    Oct 16 2007
    AZ Member #
    21844
    My Garage
    B5 S4 / 335i
    Location
    NJ

    Re: water/meth & alcohol injection

    Quote Originally Posted by s2the4 View Post
    Mark P from audiworld is running Aquamist 2D with just his APR stage 3 software. He has some nice graphs and install pictures on his website. http://ctny.audiworld.com/mark/s4/
    I skimmed through Mark's posting and it looks like there were no measurable performance gains from the water/meth kit. Is that right?

  6. #6
    Veteran Member Three Rings ms4cd's Avatar
    Join Date
    Mar 23 2005
    AZ Member #
    5819
    My Garage
    Slow buckets
    Location
    Bay Area, CA

    Re: water/meth & alcohol injection

    The IT were much lower on Mark P's car. I am sure it made some kind of a difference. He also noticed a lower timing CF's.

  7. #7
    Active Member Four Rings FrimmelNoJerz's Avatar
    Join Date
    Sep 21 2006
    AZ Member #
    11877
    Location
    Norjerz

    Re: water/meth & alcohol injection

    Quote Originally Posted by ms4cd View Post
    Do a search, there has been issues with TB rusting and eventually locking up last time I wanted to do it.

    That is if you install in the bi-pipe
    first ive heard of this.
    SBSC
    I also like to live dangerously.

  8. #8
    Active Member Four Rings FrimmelNoJerz's Avatar
    Join Date
    Sep 21 2006
    AZ Member #
    11877
    Location
    Norjerz

    Re: water/meth & alcohol injection

    Quote Originally Posted by AUDILUX View Post
    I skimmed through Mark's posting and it looks like there were no measurable performance gains from the water/meth kit. Is that right?
    i believe they were negligible before a retune.
    SBSC
    I also like to live dangerously.

  9. #9
    Veteran Member Four Rings AudiSportB5S4's Avatar
    Join Date
    Jun 14 2007
    AZ Member #
    18801
    My Garage
    2000 S4
    Location
    Connecticut

    Re: water/meth & alcohol injection

    i asked Mike @ VAST about the rusting, said he never heard of that since the TB is aluminum. i will be running this crap now. LOL =]
    Current: B9.5 SQ5 | Past: C7.5 S6, B5 S4, C7.5 A6, 8V A3, B8 A4, B5 A4 | Videos

  10. #10
    Active Member Four Rings FrimmelNoJerz's Avatar
    Join Date
    Sep 21 2006
    AZ Member #
    11877
    Location
    Norjerz

    Re: water/meth & alcohol injection

    Quote Originally Posted by AudiSportB5S4 View Post
    i asked Mike @ VAST about the rusting, said he never heard of that since the TB is aluminum. i will be running this crap now. LOL =]
    cough cough...i have one for sale cough cough.
    SBSC
    I also like to live dangerously.

  11. #11
    Active Member Four Rings ThirdStrike's Avatar
    Join Date
    Nov 17 2006
    AZ Member #
    13467
    My Garage
    b5S4, b8.5 Allroad
    Location
    Las Vegas

    Re: water/meth & alcohol injection

    Quote Originally Posted by AUDILUX View Post
    I skimmed through Mark's posting and it looks like there were no measurable performance gains from the water/meth kit. Is that right?
    IAT's were lower.
    i live in vegas. (115F summertime)
    i want low iat's ... like no more than 45deg C under full load. i will then increase timing to see the gains.
    im getting a snowperformance kit with dual nozzles and tapping my bi-pipe..
    00110100011100100110100101101110011001110111001100 001101000010100000110100001010

  12. #12
    Established Member Two Rings NYSTGIII's Avatar
    Join Date
    Dec 07 2004
    AZ Member #
    4398
    My Garage
    1m coupe, wrangler, a4.. and many others in the past
    Location
    Westchester, NY

    Re: water/meth & alcohol injection

    Quote Originally Posted by ThirdStrike View Post
    IAT's were lower.
    i live in vegas. (115F summertime)
    i want low iat's ... like no more than 45deg C under full load. i will then increase timing to see the gains.
    im getting a snowperformance kit with dual nozzles and tapping my bi-pipe..

    Don't waste your time with the snow kit... Just get the aquamist HFS-1 .. it comes with the gauge and the failsafe.
    [email protected]
    914.374.ninteen sixty
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  13. #13
    Veteran Member Three Rings ms4cd's Avatar
    Join Date
    Mar 23 2005
    AZ Member #
    5819
    My Garage
    Slow buckets
    Location
    Bay Area, CA

    Re: water/meth & alcohol injection

    Quote Originally Posted by AudiSportB5S4 View Post
    i asked Mike @ VAST about the rusting, said he never heard of that since the TB is aluminum. i will be running this crap now. LOL =]
    There is a picture floating of one floating on this forum...

  14. #14
    Veteran Member Four Rings AudiSportB5S4's Avatar
    Join Date
    Jun 14 2007
    AZ Member #
    18801
    My Garage
    2000 S4
    Location
    Connecticut

    Re: water/meth & alcohol injection

    when you install it into the bipipe do you need to take off the front end? in that write up on AW he had the front end off and his bipipe out. just wondering!
    Current: B9.5 SQ5 | Past: C7.5 S6, B5 S4, C7.5 A6, 8V A3, B8 A4, B5 A4 | Videos

  15. #15
    Senior Member Three Rings AK1RA07's Avatar
    Join Date
    Dec 07 2007
    AZ Member #
    23182
    My Garage
    2001 S4, 1992 Miata, 1993 RX-7
    Location
    DFW

    Re: water/meth & alcohol injection

    I think I saw a thread where the rusting was caused by steel charge pipes..

    Somewhat OT.. has anyone heard anything about the AEM system? Seems reasonably priced and has a low level indicator as well.

    http://cgi.ebay.com/ebaymotors/AEM-U...QQcmdZViewItem

  16. #16
    Active Member Four Rings ThirdStrike's Avatar
    Join Date
    Nov 17 2006
    AZ Member #
    13467
    My Garage
    b5S4, b8.5 Allroad
    Location
    Las Vegas

    Re: water/meth & alcohol injection

    Quote Originally Posted by NYSTGIII View Post
    Don't waste your time with the snow kit... Just get the aquamist HFS-1 .. it comes with the gauge and the failsafe.
    the snow kits have the failsafe also. ive experienced nothing but good with the snow kits.
    http://www.snowperformance.net/products.php?p_cat=159
    anybody know that s4 shown on snow's site???
    Last edited by ThirdStrike; 04-10-2008 at 10:34 AM.
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  17. #17
    Active Member Two Rings Team Freddy's Avatar
    Join Date
    Aug 16 2007
    AZ Member #
    20373
    Location
    In A House

    Re: water/meth & alcohol injection

    Rob Go with the Snow product, they own when compared to Devilsown or Aquamist etc... ;)

    Your Avatar is hideous

  18. #18
    Registered User Three Rings S4M3's Avatar
    Join Date
    Jul 12 2007
    AZ Member #
    19480
    My Garage
    B5 S4,B8 S4, E55 AMG
    Location
    Atlanta, GA

    Re: water/meth & alcohol injection

    I have CoolingMist is the shit :) 93 pump + methanol i can run 6 deg of timing :)-

  19. #19
    Senior Member Three Rings
    Join Date
    Feb 29 2008
    AZ Member #
    79995
    Location
    Durham/NC/Southeast

    Re: water/meth & alcohol injection

    I have a tbody that seized up from running water/meth 50/50. it went from working fine to still can't pry it open with a screw driver a year later in one day. I think it is the brass to aluminum with the meth personally. I went crazy afterwards and run this

    to be honest I don't think it makes a big power gain though.

  20. #20
    Veteran Member Three Rings
    Join Date
    Apr 11 2008
    AZ Member #
    27597
    My Garage
    00 s4 90 crx
    Location
    High Point, NC

    Re: water/meth & alcohol injection

    Quote Originally Posted by NYSTGIII View Post
    Don't waste your time with the snow kit... Just get the aquamist HFS-1 .. it comes with the gauge and the failsafe.
    Thats the first time ive ever heard a statement like that. Aquamist makes nice prodicts, but they are a royal pain in the ass to deal with...especially if something goes wrong with the kit and you need some tech advice. I used one aquamist kit and immediately switched over to the Snow performance. The pump in the aquamist kit was bad from the factory(run for 5-6sec's then overheat and shut off), and i couldnt get a straight answer from anyone at Aquamist. Called up the people at Snow and they walked me through fixing the thing. We got it running and it performed well...but we decided to go with the Snow kit just because of their tech support.

    Unless your IAT's are insanely high, this kit wont do much out of the box. You wont really see any nice gains until its tuned to compensate for the water/meth. I really dont see how the TB could rust since its aluminum, but it is possible for rust to transfer from the steel pipes to the tb plate...which can corrode and cause it to stick. Using the correct water/meth mixture will correct this....or you can just run straight meth

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