TwinTurbo.NET: Nissan 300ZX forum - Have you looked into using an accumulator by chance?
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Subject Have you looked into using an accumulator by chance?
     
Posted by Woody75 (Denver) on October 26, 2007 at 9:02 AM
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In Reply To Water Injection Part 2 posted by Spectrum (WI) on October 25, 2007 at 09:16 PM
     
Message Just curious how your system works. Does it:

At given boost level the pump turns on and then pushes the fluid into the intake track

or

At given boost level a solenoid opens releasing the already pressurized fluid into the intake.

I've seen your posts but don't remember everything. The accumulator will help with the pulses and pressure differences, but you need to be using the the 2nd example to get the full benefit from it. My snow kit did not come with an on/off fluid solenoid switch so I added one. But my kit is pretty old (don't know if they do now).

My set up goes pump to accumulator to on/ff solenoid to check valves to nozzels. My system stays pressurized the whole time I'm driving. When I hit the set boost amount the solenoid opens and lets the already pressurized fluid go to the nozzels. The pump doesn't need to turn on. The pump only turns on when the water pressure drops enough and this is usually when I'm off boost. The accumulator helps to store extra pressurized water and keep the pressue constant without relying on the pump to do that, and of course helps remove the pulses caused by the pump.

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