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Old 10-20-2006, 03:23 AM   #1
Scooby Guru
Member#: 4764
Join Date: Mar 2001
Chapter/Region: TXIC
Location: Houston
2004 STi sold :(

Default A/W injection Failsafes + EMS + EBC

The failsafe sytems that I have seen for alky/water injections kits retard timing and drops boost in the event of flow issues. I have a UTEC for EMS and DTEC foe boost control. How will these failsafe systems override these two?

I was sent a diagram to should the hook-up for the Snow failsafe. I was disappointed to learn that there ~$100 failsafe requires an additional part (thus additional cost) in order to cut boost. I assume this parts is a solenoid. I don't know how a FS will cut timing when you have a piggyback EMS.

I was thinking of going was thinking about going with the SMC kit, but they dont seem to offer a FS yet. I can get a Boost Cooler setup plus FS (minus the extra component) for the same price ans the non-protected SMC kit. I haven't seen any/many Impreza owners using this system. Aquamist products simply cost too much. Coolmist stage 2 is aboust the same price as SMC, but has a clog detector (not the same as a FS). I just don't like the size and look of the control unit. But I do like that it has an on/off switch, which I am not sure SMC has.

Some failsafe devices supposedly work with other brand/model injections systems. Which? Are DIY FS's good enough?
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Old 10-20-2006, 01:07 PM   #2
Citizen Mick
Member#: 27646
Join Date: Oct 2002
Chapter/Region: NWIC
Location: Portland, Oregon
2003 Sleeved 2.5
Oil Dry Sump Goodness


Aquamist DDS3, works with any injection kit. Can be used to cut power to any boost control solenoid.
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Old 10-22-2006, 07:53 PM   #3
Ultimate Collision Center
Former Vendor
Member#: 69072
Join Date: Aug 2004
Chapter/Region: Tri-State
Location: Peekskill

This is how the snow performance unit works...I personally run it on my evo and I use the UTEC in combination with it. The UTEC retards timing and the SP unit retards boost...
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