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-   -   Why not use water/alc/meth injection? (https://www.subaru-svx.net/forum/showthread.php?t=31253)

svxsubaru1 01-31-2006 03:26 PM

Why not use water/alc/meth injection?
 
Since the SVX has a 10.1 to 1 comp ratio it seems like using some sort of injection system using water/alc/meth/propane would be greatly benifical in letting us run alot more boost while still using the stock internals. I know you still need to be able to mess with fuel supply and boost to aculy get any benifits, but it seems like emanage could let us adjust enough to get some pretty large benifits from it. Any opinons?

Here are some links on genral information on it, and evn DYI kit for under $200.

http://www.rbracing-rsr.com/waterinjection.html

http://www.turbofast.com.au/racefuel.html

http://www.buickgn.com/alcoholinjectionsystem.htm

http://members.cox.net/stevemonroe/AlcoholInjMod.html

http://www.importpoweronline.com/propanecontent.html

mbtoloczko 01-31-2006 04:47 PM

I've been suggesting this for the last couple years, and back when I was planning to build a turbo EG33, I was planning on using water injection instead of an IC. For mild boost levels, it could easily work in place of an IC. Seems that the most common arguments against it are, "what if it breaks", or "what if I forget to put water in", or "its a hassle to always have to add water".

svxsubaru1 01-31-2006 08:55 PM

I think it could do more than that, theres STi putting out 500 WHP on pump 93 with meth injection. I bet we could get the eg33 to handle +10 PSI on pump if we could get the fuel (injectors/pump)for it with a safe tune with alc/water mix.

LiquidForce 02-01-2006 06:43 AM

I have been running the SMC kit on my WRX for almost year now. I picked up 40whp and 60tq from being able to push the boost up and pulling out some fuel. If your crazy like me you may even try adding Nitro to the mix.

If you are going to get one I would suggest getting one with a progressive MAP based controller.

mbtoloczko 02-01-2006 08:23 AM

Quote:

Originally Posted by LiquidForce
I have been running the SMC kit on my WRX for almost year now. I picked up 40whp and 60tq from being able to push the boost up and pulling out some fuel....

Yep, that's exactly what I would expect... A little less fuel to get more to the optimum power afr and better detonation control. Makes me want to reconsider spending the money to turbo my EG33. :-)

VTsuby 02-26-2006 12:05 AM

I have a friend with a pickup thats about 10:1 with blower and water injection thing is a 2.25ton weapon. Don't forget the fuel economy benifits of injecting water

sicksubie 03-02-2006 11:28 AM

SO.... Go for it mbtoloczko, we have already had one success story this week. Start working on another one. :D

svxsubaru1 03-05-2006 08:54 PM

Quote:

Originally Posted by VTsuby
I have a friend with a pickup thats about 10:1 with blower and water injection thing is a 2.25ton weapon. Don't forget the fuel economy benifits of injecting water

How much of an improvment did your friend get for MPG?

Any one have experiance with this?
http://www.urdusa.com/product_info.p...s_id=120000037

Pure_Insanity8 03-06-2006 03:09 AM

SVXtasy used an AIC in his turbo setup... that part of his setup seemed to work pretty well.

sicksubie 03-13-2006 05:45 PM

What about just mixing in a pint of tuolene and a pint of xylene with a tank of gas? I got the idea from Gads he told me to go to a paint store and you can get a 10 gallon container of each. I don't remember what exact octane ended up being but I think that it was around 99. The only thing is that one of the chemicals is for cleaning your valves and the other is the actual octane booster. I gotta get a hold of him and find out which was which.

Phast SVX 03-13-2006 06:10 PM

Quote:

Originally Posted by Pure_Insanity8
SVXtasy used an AIC in his turbo setup... that part of his setup seemed to work pretty well.

he is no longer using the AIC,
phil

mbtoloczko 03-13-2006 11:28 PM

Quote:

Originally Posted by sicksubie
What about just mixing in a pint of tuolene and a pint of xylene with a tank of gas? I got the idea from Gads he told me to go to a paint store and you can get a 10 gallon container of each. I don't remember what exact octane ended up being but I think that it was around 99. The only thing is that one of the chemicals is for cleaning your valves and the other is the actual octane booster. I gotta get a hold of him and find out which was which.

Methanol/water injection work differently than toluene or xylene. Methanol/water are not actually octane boosters. Their purpose is to cool the combustion chamber and slow the burn of the fuel. An octane booster will slow the burn but will not cool the combustion chamber.

drivemusicnow 03-14-2006 01:06 AM

water/alcohol/meth injection is and always will be a good safety or power adder. I've been suggesting it to people as well.

I particularly like the cooling mist controller that is offered.

sicksubie 03-14-2006 04:35 PM

What is actually involved in adding a set-up like this?

mbtoloczko 03-16-2006 09:23 PM

Came across an interesting alcohol/water injection kit mentioned on EvoM:

http://www.devilsownonline.com/

For only $290, they have a kit that meters alcohol/water in proportion to the amount of boost. Pretty cool.


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