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Old 01-06-2013, 11:19 PM   eBay Motors  #1 (permalink)
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AEM water injection kit?

Ok bare with me here on the short story! Test drove my truck today since the rebuild of heads and other mods (cp3, nozzles, and robs tuning). Love it, sounds good drives good blah blah blah. The only problem i have is the egts hit like 1650 in like 3rd gear and i had to come out the throttle before i could see what she would do. Well so now im looking at water/meth kits to try to get the egts down asap with a maybe a 20/80 meth water or maybe even all water if i have to until i can afford a turbo to cool things down. I found this kit that says just "water injection kit" for like $130 by AEM. It appears similar to a water/meth kit but it dont appear have a check valve or solenoid in the pic. Whats the diff between water and water meth kit? Is it just the check valve or solenoid? If so can i just get the water kit now and then add a check valve or solenoid to it later on making it capable of being a water/meth? I would think the pumps are all the same huh? Maybe someone can shed some light on my confusion?
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BLACK 2005 Chevy 2500 CC 4x4 LT, Black 20x10 USA WARHAWKS on 305/50 NITTO 420S, Black Javalina front bumper w/halo projector fog lights, Murdered!
4" dual exhaust, intake, traction bars, LBZ m/p, egr blocked, PPE FPRV shim kit, PPE lift pump, PPE Stage V with M.L., ARP studs, CP3 by TC Diesel, Extrude Honed 30% nozzles, DSP5 by Rob
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Old 01-07-2013, 04:33 AM   eBay Motors  #2 (permalink)
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link to kit?
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Old 01-07-2013, 05:19 AM   eBay Motors  #3 (permalink)
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i wouldn't waste my money, but if your going to do it, i def wouldn't go with a cheap kit. i know of some people who actually hydrolocked their motor, and others say it raises cylinder pressures (bad on your pistons and rods). i have no first hand experience, but i would search it throughly. i think snow kits are around $1000, add another $700 to that and you can get a 4094avnt turbo to help cool things off.
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07 lbz ccsb
EPR s475 o/stock, floor-it stg II cp3, Kory tuned, suncoast, tow-flows, Y bridge, insight, EXAXT,
cognito uca's, trac bars, AD II 165, banks IC, blacked out grill, cowl hood, tough country bumpers
Dyno - 582hp 1209tq - SJD, 561hp 1247tq floor-it-diesel (stock turbo & inj.)
Track - 12.82 @ 105.5 mph @7300lbs 1.82 60 ft

07 lbz rclb

Kory tuned, RDL egr delete, banks IC, insight,
bd lift pump w/remote WS, nicktane, ranch hand front
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Old 01-07-2013, 11:27 AM   eBay Motors  #4 (permalink)
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Quote:
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i wouldn't waste my money, but if your going to do it, i def wouldn't go with a cheap kit. i know of some people who actually hydrolocked their motor, and others say it raises cylinder pressures (bad on your pistons and rods). i have no first hand experience, but i would search it throughly. i think snow kits are around $1000, add another $700 to that and you can get a 4094avnt turbo to help cool things off.
Yea a turbo is my next thing to buy i just have to wait a while until i get some more funds saved. I ended up ordering a 200psi pump and a pressure switch last night separately and ima piece a kit together myself because i dint need the small nozzles and little tank that some of the cheaper ones come with. I know i sound like a tight ass right now but i really am broke and i dont want to run my freshly rebuilt motor that hot if i can help it. I would say ill just stay out the throttle but i am getting pretty hot just getting up to highway speeds at a normal pace.
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BLACK 2005 Chevy 2500 CC 4x4 LT, Black 20x10 USA WARHAWKS on 305/50 NITTO 420S, Black Javalina front bumper w/halo projector fog lights, Murdered!
4" dual exhaust, intake, traction bars, LBZ m/p, egr blocked, PPE FPRV shim kit, PPE lift pump, PPE Stage V with M.L., ARP studs, CP3 by TC Diesel, Extrude Honed 30% nozzles, DSP5 by Rob
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Old 01-07-2013, 11:45 AM   eBay Motors  #5 (permalink)
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Originally Posted by TheStepChild View Post
link to kit?
First off thanks for taking the time to organize all those posts and bestow your water meth knowledge upon us ignorant folk haha. Naw it really helped a lot for those who use the search button. I tried to get a link up last nigh but my computer was being difficult but i ended up ordering a pump and pressure switch last night and im going to piece everything together so it will save a few bucks I hate being broke but its reality right now after this build i just did and a lay off. I saw on a few threads where you guys had sizes listed but i was wondering which one i need for my application right now to get egts down and later add another nozzle? The ones on devils own ebay site dont have any sizes listed but are for sale for like 12 or 20 bucks? Whats the difference? I hear they are the easiest to take in and out so i would like to go with them for nozzles. Since i have the boost pressure switch do i still need a solenoid? When i decide to add another nozzle will i just be able to buy a solenoid then, to work in conjunction with the pressure switch? Just still a little rusty on the details of how it all comes together if you are not doing a progressive kit.
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BLACK 2005 Chevy 2500 CC 4x4 LT, Black 20x10 USA WARHAWKS on 305/50 NITTO 420S, Black Javalina front bumper w/halo projector fog lights, Murdered!
4" dual exhaust, intake, traction bars, LBZ m/p, egr blocked, PPE FPRV shim kit, PPE lift pump, PPE Stage V with M.L., ARP studs, CP3 by TC Diesel, Extrude Honed 30% nozzles, DSP5 by Rob
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Old 01-07-2013, 02:30 PM   eBay Motors  #6 (permalink)
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For nozzle size:
what psi will your pressure switch turn on at?

For your solenoid question:
How is the switch wired? I would want a way to make sure the line is closed when the truck is off.



I've never used DO nozzles so IDK about those.
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Old 01-07-2013, 03:52 PM   eBay Motors  #7 (permalink)
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Originally Posted by TheStepChild View Post
For nozzle size:
what psi will your pressure switch turn on at?

For your solenoid question:
How is the switch wired? I would want a way to make sure the line is closed when the truck is off.



I've never used DO nozzles so IDK about those.
Ill have it cut on at 5-8 psi if possible to try to reap some milage benefits as well. But as i understand it sont quite work that way.

I am just going to buy a solenoid and not be cheap. It seems to be a good precaution.
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BLACK 2005 Chevy 2500 CC 4x4 LT, Black 20x10 USA WARHAWKS on 305/50 NITTO 420S, Black Javalina front bumper w/halo projector fog lights, Murdered!
4" dual exhaust, intake, traction bars, LBZ m/p, egr blocked, PPE FPRV shim kit, PPE lift pump, PPE Stage V with M.L., ARP studs, CP3 by TC Diesel, Extrude Honed 30% nozzles, DSP5 by Rob
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Old 01-07-2013, 04:41 PM   eBay Motors  #8 (permalink)
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i would log your tunes and send it to rob. he will be able to help cool your egts with alittle fine tuning.
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07 lbz ccsb
EPR s475 o/stock, floor-it stg II cp3, Kory tuned, suncoast, tow-flows, Y bridge, insight, EXAXT,
cognito uca's, trac bars, AD II 165, banks IC, blacked out grill, cowl hood, tough country bumpers
Dyno - 582hp 1209tq - SJD, 561hp 1247tq floor-it-diesel (stock turbo & inj.)
Track - 12.82 @ 105.5 mph @7300lbs 1.82 60 ft

07 lbz rclb

Kory tuned, RDL egr delete, banks IC, insight,
bd lift pump w/remote WS, nicktane, ranch hand front
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Old 01-07-2013, 04:52 PM   eBay Motors  #9 (permalink)
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Quote:
Originally Posted by plowboy_lbz View Post
i would log your tunes and send it to rob. he will be able to help cool your egts with alittle fine tuning.
Yea thats a for sure. im about to go pick it up from the mechanic and log it asap. Its been six months since i have had my duramax, needless to say im bout to pee myself with excitement. Ha the tag is expired and i have no insurance until tm Thats ballin on a budget for ya
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BLACK 2005 Chevy 2500 CC 4x4 LT, Black 20x10 USA WARHAWKS on 305/50 NITTO 420S, Black Javalina front bumper w/halo projector fog lights, Murdered!
4" dual exhaust, intake, traction bars, LBZ m/p, egr blocked, PPE FPRV shim kit, PPE lift pump, PPE Stage V with M.L., ARP studs, CP3 by TC Diesel, Extrude Honed 30% nozzles, DSP5 by Rob
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Old 01-08-2013, 02:17 AM   eBay Motors  #10 (permalink)
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Full on at 200 psi, I don't think I'd go bigger than a 175 nozzle. A 225 might work. Any bigger it may quench.

If you're doing 2 solenoids - the second for a manual quick shot, you might try 2 - 175's and don't hit the second below 8-10 psi.

With a full on/off I would guess 375 and bigger nozzles may quench under 15 psi area. - this sentence is a guess.

You're going to have to adjust and fine tune it.
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