I am debating if i go with the water-meth injection. I am pushing 351whp with stock turbos (mods are in my signature) @15psi. This was tune with Sunoco racing fuel. In the street i use pump gas(rated 89 octane..sucks i know) @11psi only. I wish to run my 15psi with water-meth. My tuner said it can be done but i would have to retune (probably turn a few degrees less ignition) and get less HP. How much less can i expect? 340whp, 330whp? i am also concern about a posible fire with the meth as it is extremely flammable. is there a high risk of fire?

Benefits
Raises octane and can use more boost on the street
Lowers temp
Reduces carbon build up (why?)

Cons
Risk of fire

I am considering the AEM 30-3000 progresive system. ANy inputs?

 

why would he(the tuner) have to retard timing? thought the whole reason to run water/meth is so you can run more boost with timing=more hp.

 

sure. i guess more timing than pump but less then sunoco race fuel.

 

yes. but i believe that the fuel i tune (sunoco 103) has more octane than pump fuel (89 octane) with meth injection. So i would have to retard timing to prevent detonation

 

if you are worrying about fire (which i have never heard of this before to be very honest) why dont you run only water in order to keep the temperatures down?

 

50/50 water/meth will not burn, period.

 

The main idea of using this is to raise octane. Running 100% water won't cut it. I was just asking is the risk of fire is high.

 

What about running 100% denatured alcohol. I ran it in my Evo and it made more power, added alot of torque, due to the aggressive timing allowed. It does clean deposits out of the combustion chambers. Alcohol is easier to get than meth you can pick it up at Home Depot. Also it's less dangerous than meth. A solid kit and install will not cause a fire. I mean, honestly there's just as much risk of fire from the 18 gallons of regular fuel you're driving around with. Actually, alot of kits have a safety system where if it reads that the meth/alky is not getting to the engine properly (leak/blockage/ran-empty), it disables the injection and switches over to a safe regular fuel-only map.

 

Thanks. Is any one running the AEM system?

 

I am. It's a very good kit and I would recomend it over the others for the money.

 

Where do you have the tank? Do the safety features work?

 

Well, 100% water (50/50 meth/H2O similarly) doesn't raise octane, per se, but does increase detonation/knock/etc. resistance thereby yielding the same end result as higher octane primary fuel. Quantifying the degree of det/knock/etc. resistance is the problem. Each engine setup is different; what works for user "A" may cause pieces of user "B"'s apex seals to become way-too-friendly with the turbine wheel :-(

 

i havent used the AEM but the coolinst mist is the way to go

 

My tank is mounted on the back of my M2 SMIC right in front of my alternator via custom bracket. Yes, the safety features work, I have tested them.