Water Injection
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  1. #1
    1000+ Posts HONG KONG PUGGY's Avatar
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    Default Water Injection

    This site was posted in another forum, and may-be of interest to anyone looking for a ready-made water injection kit.

    http://www.full-throttle.com.au/Engi...t%20Cooler.htm

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    They are aimed at forced induction performance, but would be able to be used in N/A form I am certain.

    chris.
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    Budding Architect ???? pugrambo's Avatar
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    mine cost a total of $2.50 and it works well
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  3. #3
    mlb
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    Quote Originally Posted by pugrambo
    mine cost a total of $2.50 and it works well
    What sized water bottle are you using 'rambo? By the sound of what you posted elsewhere you're looking at around 2 litres? Is that correct, and how did you go mounting somehting so large and heavy securely in your engine bay?

    Matt
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    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by mlb
    What sized water bottle are you using 'rambo? By the sound of what you posted elsewhere you're looking at around 2 litres? Is that correct, and how did you go mounting somehting so large and heavy securely in your engine bay?

    Matt

    it's about 2-3litres in size

    i am using the windscreen washer bottle that was already there in the 604

    if i need to put the bottle back into action for the squirters i'll just mount another bottle under the guard on the other side of the car

    if you go to the wreckers you can just go through the cars there and find a windscreen washer bottle about the size you are after and the brackets and go from there

    ready made to go

    under the bonnet of the 505 you would have more room but in the 604 i had to look outside the engine bay for the bottle
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  5. #5
    mlb
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    Quote Originally Posted by pugrambo
    it's about 2-3litres in size

    i am using the windscreen washer bottle that was already there in the 604

    if i need to put the bottle back into action for the squirters i'll just mount another bottle under the guard on the other side of the car

    if you go to the wreckers you can just go through the cars there and find a windscreen washer bottle about the size you are after and the brackets and go from there

    ready made to go

    under the bonnet of the 505 you would have more room but in the 604 i had to look outside the engine bay for the bottle
    That's a good idea. I'll have a look at the car and see if I can do it with the bottle in it's current position. May be too high though , but it would make things look neat. I had visions of a two litre fruit juice bottle cable tied somewhere in the engine bay, and I must admit I was not too keen on that idea. Not too good for the image
    Fight for your opinions, but do not believe that they contain the whole truth, or the only truth.

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    Quote Originally Posted by mlb
    I had visions of a two litre fruit juice bottle cable tied somewhere in the engine bay, and I must admit I was not too keen on that idea. Not too good for the image
    I was thinking may-be an old wine cask bladder
    2016 Renault Sport Clio Cup EDC 200



    Previous

    2001 Rx-4 Privilege
    R17TL, 1973
    R20TS x 3
    R18 GTS wagon x 2
    R10





    "When you hit the tree between the headlights thats understeer. Oversteer is when you hit the tree between the Tail Lights" - Wayne Bell

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    Budding Architect ???? pugrambo's Avatar
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    the 604 one works well as the hose comes out the top of the bottle so you don't get any head pressure from the water
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

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    Gone Fishin' Ray Bell's Avatar
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    There's nothing to stop you running your tube through the firewall and having it in a bottle inside the car...

    I once had a kit on my 404 wagon, I was keeping a very close eye on fuel consumption and it saved me about 3/4 of a mile per gallon. Fitting the C2 gearbox saved me 2mpg.

  9. #9
    mlb
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    Quote Originally Posted by pugrambo
    the 604 one works well as the hose comes out the top of the bottle so you don't get any head pressure from the water
    Just had a look at my bottle, probably too high, I'd end up filling the dist. with water. I've got a bottle of a GTi with the pump on the bottom.

    I didn't think of putting the hose in the top as you just said. So I cannot see why I can't drill a hole in the top of the bottle, put the hose with a grommet through it, and suck from there. Therfore I can use it for both windscreen washing and water injection. That may be an idea for you also 'rambo if you want to use your washers again. The metho may also help to keep the windscreen clean.

    Matt
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    Fellow Frogger! Ralph's Avatar
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    Rambo,


    Have you got any pics of your setup and a better description of it? It sounds very interesting.

    Matt.
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    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Ray Bell
    There's nothing to stop you running your tube through the firewall and having it in a bottle inside the car...

    I once had a kit on my 404 wagon, I was keeping a very close eye on fuel consumption and it saved me about 3/4 of a mile per gallon. Fitting the C2 gearbox saved me 2mpg.

    that's ok and i did think of doing it that way but it looks ugly and out of place and also cluters up the interior

    best to leave it in the engine bay out of sight

    also in the 604 with the old engine it went from 13mpg to 20mpg with water injection so it was a big saving
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  12. #12
    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Ralph
    Rambo,


    Have you got any pics of your setup and a better description of it? It sounds very interesting.

    Matt.

    i'll get some pics up for you

    basically all it is is a bottle with a hose in it with a stocking on the end to filter the water then running to the carb where the vac advance line attaches with a hyperdermic needle plumbed into it so that the needle pokes out of the end of the line and then put back in place on the carby

    whenever you crack the throttle open it draws water through due to vacuum and when you take your foot off the pedal it stops the water flow

    very simple and effective

    when you do it keep advancing the timing till it pings and then back it off a little but keep in mind you still need to be able to start the car when cold so if you start at a setting of around 14deg advance on an XN 505 and play from there you should be safe

    you will gain more power and of course economy follows due to more available power from the same throttle opening

    i ran the old 604 motor at around 17deg advance from the standard 12deg

    the new motor is set at 12deg as the cams in it makes it ping as does the high compe it has now as well without water injection running
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

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    Go talk to the aircraft refuelers at the local airport and see if they will sell you some premixed water methanol or provide some unmixed stuff..... really works a heap better than water.... its often used in gas turbine engines to give an extra kick in the pants...
    Cheers
    Meggsy
    Current - 4007HDi
    Had - 407 HDI 406 SV 404, 504, 505 GR and STI. 405 GR ( carbie version) STI, MI16
    And an Austin 1800
    Learnt to drive in 203 Convertible and a 403 SW

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    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Meggsy
    Go talk to the aircraft refuelers at the local airport and see if they will sell you some premixed water methanol or provide some unmixed stuff..... really works a heap better than water.... its often used in gas turbine engines to give an extra kick in the pants...
    Cheers

    i run 50/50 water/methanol
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

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    Fellow Frogger! Ralph's Avatar
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    Do you use the off the shelf methylated spirits and how long does say a litre of 50/50 mix last you? What guage needle do you use?


    Matt.
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    1000+ Posts bowie's Avatar
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    could you use auto trans fluid instead of metho??

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    Originally posted by Ralph
    Do you use the off the shelf methylated spirits and how long does say a litre of 50/50 mix last you? What gauge needle do you use?
    I think you only need to use a trifling amount of metho... I used about half a litre in 300kms with mine IIRC. You'd be spending money to include metho at 50/50...

    If I recall correctly, the metho is only there to act as a surfactant or something.

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    has anybody fitted water injection to their S16? were to plumb the nozzle?

    With Rgds,

    Senthil16V

  19. #19
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    Those prices are too high. I just picked up a kit from the US with a 100psi Sureflo pump for $247Aus landed.

    Cal.
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    Budding Architect ???? pugrambo's Avatar
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    metho is 99c a bottle (1L)

    a 2-3 litre water bottle should last a tank full of fuel

    what you save on fuel more than makes up for the cost of the metho

    from memory i am running a 25guage needle in the car
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  21. #21
    Member senthil16V's Avatar
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    Quote Originally Posted by Cal
    Those prices are too high. I just picked up a kit from the US with a 100psi Sureflo pump for $247Aus landed.

    Cal.
    Mind sharing which website i can get the details from? Would like to get it for my car too...

    With Rgds,

    Senthil16V

  22. #22
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    Quote Originally Posted by Ralph
    Do you use the off the shelf methylated spirits and how long
    does say a litre of 50/50 mix last you? What guage needle do you use?
    Matt.
    I imagine you could use metholated spirits, but remember this is actually
    ethanol with about 2-5% methanol added to it to render its unsuitable for
    drinking. When I helped out in a team racing a turbo street car we used
    a water/methanol injection system which used a 50/50 mix. Methanol
    is quite toxic so we were always very careful mixing it and avoided the
    fumes as much as possible.

    Cheers,
    Biologist
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    one Megane Family

  23. #23
    Cal
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    Quote Originally Posted by Cal
    Great site Cal...very informative....where did you plumb the injector in your car? Did you do it for 405 mi16?

    for s16 i was thinking a good place would be before the throttle body...any other suitable place i can mount the injector?maybe on the intake manifold?

    With Rgds,

    Senthil16V

  25. #25
    Cal
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    No I have been doing some fairly major mods to my MX5. I've taken the boost up to 9-10psi. In order to run any timing without detonation, I needed to do something. The setup I have is not suited to intercooling. I put the pump and the water in the boot. I ran the wiring through the car and the water hose under the car. I plumbed it in the inlet pipe just before the supercharger. Injecting pre blower is quite common overseas. Fo NA, I'd say inject just before the inlet plenum. Do some reseach though, as all the info I have is very specific to the type of supercharger I have and the MX5.

    Cal.
    1995 Mazda MX5 - 2F Race Car
    1990 Mercedes 300TE
    1990 Mercedes 230E
    1977 Jaguar XJS V12
    1971 Morris Mini 1100K
    1967 Porsche 911S
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