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Old 12-26-2007, 01:56 AM   #26
poopy
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is there a system i could turn off from within the car? with the new Si drive, i could say run WI in 1 mode and a non WI map in another mode. if a problem arrived, turn the system off from within the car and changes maps wi the Si drive. this is basically what i am looking for in a WI system.

thanx, mike
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Old 12-26-2007, 07:59 AM   #27
Coolingmist
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Any of our kits that have our Smart Injection unit have the ability to turn on/off any device including a water injection kit. To switch MAPS if that is simply sending a 12V, Ground or 0-5V, our system can do that. We have 5 outputs that can be used for things like this.
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Old 03-11-2008, 11:43 AM   #28
ktm
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You forgot one big player in the meth injection scene that has a great standalone and utilizes a HSV: FJO Racing www.fjoracing.com
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Old 03-11-2008, 04:00 PM   #29
WReXd
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I apologize, I don't think I've heard of Fjo before. Looks like they have some pretty cool stuff. Their controller can do a lot, and their HSV is affordable. Original post is updated, with a question for Coolingmist (Look for red font).
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Old 03-11-2008, 04:27 PM   #30
Coolingmist
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Quote:
Originally Posted by WReXd View Post
EDIT: I'm not sure Coolingmist's hsv works the way I thought. After doing some reading, it seems to me like their valve may be a proportional valve (works sort of like a variable restrictor) instead of a high-speed on/off valve. Maybe Coolingmist will chime in.
You can run this valve several different ways, its easily one of the most flexible valves on the market.

Option #1 is you can PWM the valve with a fixed frequency, increased current=increased flow. You can think of this as dutycycle based. This is identical to they way most progressive controllers PWM a pump except the valve is much faster, hence high speed. The term high speed refers to the fact that it can change the flow rate, very, very fast with low hysterisis.


You can use a 0-5V. Your 0-5V signal MUST be able to produce 5 Watts at 5V. This can work using NO frequency at all. No PWM signal. 5 volts means it opens all the way, 0 volts=closed, the orifice opening will be relational to the voltage. This is a very fast way to work the valve and the valve will not buzz like a bumble bee. If your circuit cannot handle 5 W at 5 volts you need a driver board (we can supply them for you). This driver board will take your 0-5V signal and amplify it.


You can increase the ontime of the valve and run it dutycycle wise. for example.

at 1000 HZ you can run 5 volts for 1/2 ms, go to 0 for 1/2 ms to obtain 50% dutycycle.

Program your circuit for how you want it to work.

We have this working on a Haltech as low as 30 HZ. Its max frequency is 15,000 HZ

David

Last edited by Coolingmist; 03-11-2008 at 04:50 PM.
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Old 03-12-2008, 03:04 PM   #31
ktm
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They call it a water injection system, but the pump is 100% methanol compatible. I am running the HSV and pump on my 240z build and controlling it via PWM with my engine management system (Wolf V500).
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Old 07-17-2008, 03:22 PM   #32
IvanWRX
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Hi, I'm using an AEM kit (trunk mounted) and I'm having horrible lag issues with it . I don't know if it is a controller or pump problem. Any thoughts? Thanks.
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Old 07-18-2008, 12:21 AM   #33
WReXd
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By "lag issues," do you mean the pump takes too long to reach peak pressure? I don't understand.
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Old 07-18-2008, 06:50 AM   #34
DonkeyPunch
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Sticky this mods.
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Old 07-06-2012, 06:33 AM   #35
enjoilife1991
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i like. very informative
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