meth injection

[El_Diablo]

like i said, depending on how much pressure your getting at the nozzle you'll prolly want to change pumps

[rickykline]

yeah i wasnt planning on using a home made kit.. i want to buy it and install it..

[rmtz24]

I hope u guys realize windshield washer pumps will push nowhere near the amount of pressure to atomize the liquid. ur gonna need at least 40 or 50 psi. Im running alcohol injection now and use an off the shelf shurflo agricultural pump that is rated 100 psi.
Look at all of the companies that sell alky injection and see what they use.

[FallenZ24]

Most people just buy the washer fluid (10% methanol) and add Denatured Alcohol to richen it up.

I'm piecing a kit together also. I just have a universal coolant tank, washer pump, and welding tips for jets. I'm working on a rig for the welding tips. You can get them in manly different sizes for very cheap. I have maybe $20 into my setup. The Hobbs switch is what is expensive though.

-Joseph

[El_Diablo]

you would have to check around your area for people who sell it, meth will have the best cooling effect but alcohol will work really well to and you can get it at a hardware store (denatured)

[rickykline]

thats awesome.. so do you think meth would be better than acholol?? if so what meth? where can i get it? how do i mix it??

[El_Diablo]

my iat sensor is just before the maf like it was orginally.. im just saying if your spraying meth and water cool the air charge your actually making the air charge denser arent you? some one help me with that cuz i cant afford to loose another motor lol..

no more air will pass through than the MAF sensor will see, period, your not stuffing any more air into the cylinder than the MAF will see... also, theres no need for the IAT sensor to be in the spray path, the computer doesn't need to compensate any really because your enriching the charge already so theres no point to put any more fuel in

my iat sensor is just before the maf like it was orginally.. im just saying if your spraying meth and water cool the air charge your actually making the air charge denser arent you? some one help me with that cuz i cant afford to loose another motor lol..

I had the same question regarding the IAT sensor and suspect MAF and MAP engines might respond differently under these circumstances. As for the MAF engine, when the meth is sprayed after the MAF sensor condensing the air two things happen, first meth is combustible so it shouldn't make the charge leaner, second the condensing of the air will cause a sensible contraction by the MAF sensor due to the additional air that will pass it when the air ahead of it surges forward to take up the space left by the condensed air. That's my theory I didn't read it anywhere.

I do believe the IAT sensor should be in the meth air mix to help the O2 sensor out in tuning for the charge.

[rickykline]

my iat sensor is just before the maf like it was orginally.. im just saying if your spraying meth and water cool the air charge your actually making the air charge denser arent you? some one help me with that cuz i cant afford to loose another motor lol..

[El_Diablo]

thats why i said with a different nozzle


why would that cause a lean condition? your putting fuel into the engine and either way your still not stuffing anymore air in and it would richin it anyways... oh and your IAT sensor is usually right after the MAF sensor...

[MidnightriderZ24]

dont spray it be4 the mass air. just put it like 2" away from your tb. dont use a windshield washer nozzle, WAYYYY too much. u need a .015 nozzle or smaller, thats what im using in my kit that im piecing together

[rickykline]

yeah but the iat wouldnt sense the air temp change..which would cause a lean condition.. right?

[El_Diablo]

it would work like its supposed to.... the MAF just senses the air coming into the engine, even though your spraying after your not going to let anymore air in without it first passing through the MAF

[fivepointhustla]

What would happen if you spray it after the MAF?

[El_Diablo]

it would be really easy to build your own kit too if you have a winsheild sprayer on your car, just change the nozzles and plumb them into the intake, might wanna replace the pump depending on how much pressure yours puts out but its not that hard and then you have an easy button for your sprayer aswell, just make sure you disable the wiper relay, lol