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Water Injection with Intercooler? 

 

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 Post subject: Water Injection with Intercooler?
Posted: Thu Nov 24, 2005 10:47 pm 
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Hey guys,

Just wondering whether anyone can see any point in running Water Injection with an Intercooler?
Just thought it may keep the inlet temp's down even more?
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Posted: Thu Nov 24, 2005 10:58 pm 
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it wont hurt!

 

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Posted: Thu Nov 24, 2005 11:01 pm 
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Yes it will keeps the temp lower but to what degree im unsure

 

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Posted: Thu Nov 24, 2005 11:29 pm 
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What about an intercooler spray Dave?
Autospeed had a good article on a DIY one using, of all things, a pump out of Espresso machine!
(Apparently very high pressure, yet still tiny and fairly quiet)
Downside, it uses 240v AC, but I'm guessing you already have an inverter for the PS2?

http://www.autospeed.com/cms/A_2720/article.html

 

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Posted: Fri Nov 25, 2005 12:00 am 
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Plenty of people do it in the US, mainly on higher boost setups though. Water injection will obviously further lower intake temps but the water in the air charge also significantly reduces combustion temps. You can also run a 50/50 water/methanol mix on track/dyno days.

A good water injection setup can actually perform better than a FMIC, especially the cheaper ones, but a good setup isn't cheap. I run a 10L water tank in the boot, a 200psi pump and a MAP based computer controller. I am still tuning it and trying to find what sized nozzle gives the best results, but so far it seems good.
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Posted: Fri Nov 25, 2005 12:00 am 
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EDIT: double post
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Posted: Fri Nov 25, 2005 12:06 am 
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Rmyers has both on his s/c I6, but this is mainly due to the fact that its still using the factory EF timing maps and needs any protection it can get.

 

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Posted: Sun Nov 27, 2005 11:34 am 
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Thanks for all the suggestions and help guys.
I can pick one up fairly cheap, so imight give it a go and see what the results are.

Dave
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Posted: Sun Nov 27, 2005 11:51 am 
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Steady ED wrote:
What about an intercooler spray Dave?
Autospeed had a good article on a DIY one using, of all things, a pump out of Espresso machine!
(Apparently very high pressure, yet still tiny and fairly quiet)
Downside, it uses 240v AC, but I'm guessing you already have an inverter for the PS2?

http://www.autospeed.com/cms/A_2720/article.html



hahah thats cool :) coffe machine pump!!!

 

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Posted: Tue Nov 29, 2005 10:39 pm 
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Thermo fans on intercoolers work very well too, great for reducing heatsoak at idle :wink:
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Posted: Thu Jan 05, 2006 10:43 pm 
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how does water injection work and wer do u put it?? i know wat intercooler mist spray is

 

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Posted: Thu Jan 05, 2006 10:47 pm 
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Most common method is a jet close to the throttle body, spraying into it... basically water just atomizes and cools the air... simple and works but can be a pain to keep filling up the water tank
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Posted: Fri Jan 06, 2006 8:06 am 
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CHEF wrote:
Most common method is a jet close to the throttle body, spraying into it... basically water just atomizes and cools the air... simple and works but can be a pain to keep filling up the water tank


^ what he said.

The CAPA kit water injection systems are a little more primative - they have a low pressure pump which sprays water into the intake just in front of the blower inlet.

Having said this, the CAPA kits work very sell to combat detonation. Tough to get setup tho - anyone at the SA dyno comp @ morpowa would have seen what happens when there's too much water going in :)

 

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Posted: Fri Jan 06, 2006 12:01 pm 
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4.9 EF Futura wrote:
The CAPA kit water injection systems are a little more primative - they have a low pressure pump which sprays water into the intake just in front of the blower inlet.

Having said this, the CAPA kits work very sell to combat detonation. Tough to get setup tho - anyone at the SA dyno comp @ morpowa would have seen what happens when there's too much water going in :)


Yeah the CAPA kits are alright for a basic setup but do seem to have their problems in tuning. With my new setup I probably inject 4-5 times more water than the CAPA setup and have no issues, but it does come on progressivly as boost increases and runs at very high pressures producing a very fine mist.
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Posted: Fri Jan 06, 2006 1:57 pm 
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I used one of these kits a few years ago, they work well but a good FMIC works just as well


http://www.aquamist.co.uk/
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