Meth solenoid questions

[OCD]

I can not say this for every manufacturer but I know DO and Snow say to put the solenoid as close as possible to the nozzle, not between the tank and pump. Putting it before the pump is how it use to be recommended by snow because their solenoid a couldn't handle the higher pressure but that has since been revised.


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[Redline]

My Cooling Mist kit came with one, and I mounted it about where Vader did his. The way I see it, the closer to the nozzle the better. It should prevent all siphoning when you let off and the solenoid shuts, but on the off-chance that some of the fluid from the section between the solenoid output and the nozzle gets into the IM, I figure the shorter the run better b/c there will be less volume.
[doublepost=1455311121][/doublepost]I forgot to add this. I'm also boost-switch based too, and here's the schematic I modified/used for my system (hope it helps):

 

[PURPFOX]

Solenoid per what I've read from various manufacturers, is to be placed close to the nozzle. Especially if the nozzles are placed post TB.

 

[Redline]

The Check Valve is going to stop syphoning. By putting the solenoid near the nozzle with a check valve is kind of redundant. TBH you are suppose to put the solenoid between the PUMP and the TANK. It's main purpose is to be a backup to the check valve if it fails. As far as wiring is concerned you can literally piggy back the pump wires to the solenoid.

Side note always check the boost switch when under the hood..... Mine got stuck in the on position after a WOT pull since it was dirty. Good think I put the relay thru a switch mounted by my leg to shut the pump down. You can clean it with MAF cleaner or electric parts cleaner.

Cooling Mist specifically told me to place my solenoid between the pump and the nozzle, as close to the nozzle as possible. It's a 300psi rated solenoid, so it'll stop any flow that the pump could put out, but that wouldn't matter for me because of how I wired my system.

Anyways, several different WMI kit companies recommend several different mounting locations, IIRC. I'd just do what they say, because if you have a warranty issue and you don't mount it where they tell you to, they may deny coverage.