Water spray for intercooler?

[BiGMaC]

What....hold my beer I'll make it fit.

[tgambob]

Most rally cars and a couple of tuned up mercs I know use this method of water spray cooling. If Subaru and the rest deem it important enough to include on a actual rally car there must be merit to it.   There is a co2 system called cryo2

[avidmotion]

Yes only kit I saw was a DEI for 75 bucks. Friend of friend had a paintball Co2 tank upside down and shot onto his intercooler, shot ice cold Co2 with 6 nosels in a ring. Said it could drop temps in 30 seconds 40 degrees lower. Is that alot? Said can fill the tank every Wednesday at his paintball store. It was free Wednesday co2 other it cheap anyways, he had 4 spare tanks so not sure how much it used etc. I might do a kit. 70 bucks in a kit probably actually only cost kit maker 20 but I like convenience kit style no hassle. Another guy said he mixes/uses windshield wiper fluid because it has alcohol and helps cool better, yes it was on the outside.... surprised not many others mention doing this. Seems common on other forums in WRX community. Also mentioned high speed 7 inch radiator fans?

[SHOdded]

Any idea what the cost/benefit ratios are for these approaches?  I can see justification for track/dragstrip, can you extend the logic to daily driving or would you even want to?

[Scott4957]

Any idea what the cost/benefit ratios are for these approaches?  I can see justification for track/dragstrip, can you extend the logic to daily driving or would you even want to?

Maybe boost controlled with CO2 in hot climates?

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[makoskey]

Any idea what the cost/benefit ratios are for these approaches?  I can see justification for track/dragstrip, can you extend the logic to daily driving or would you even want to?

There is no benefit for running this on a daily driver except to made puddles under your car at stoplights.

[SHOFan808]

When I used to have my Evo X and frequent the Evo Forums, there was talk of a water mist spray for the intercooler, which came stock on the Japan and European models, but not the ones sold in the US.  With a water spray for the intercooler, what you're basically doing is increasing the efficiency of the intercooler for a short period of time as the water evaporates off of the cooling fins.  It's usually set to spray at higher RPM and boost, or there's a button where it could be done manually.  It's the next best thing to having a bigger intercooler, unless you're running turbos so big that the stock size intercooler starts to restrict the volume of air being pushed into the engine.  However, you probably won't notice a huge difference with the water mist spray unless you're doing a lot of fast driving where the engine is constantly on boost for long periods of time.  Even then, you won't feel an increase in power.  Instead, your intercooler efficiency won't decrease as much as it would without the spray while doing all that high speed driving.

On the street, maybe only an EcoBoost PI doing high speed pursuits in the city will see any benefit to this, unless you're driving your EcoBoost cars like you're in a long pursuit.

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[FoMoCoSHO]

Any idea what the cost/benefit ratios are for these approaches?  I can see justification for track/dragstrip, can you extend the logic to daily driving or would you even want to?

You can't run it at the track, water leaking from your car is a no go.

I was black flagged once due to heavy condensation off the tailpipes after being accused of running my AC.

[glock-coma]

Any idea what the cost/benefit ratios are for these approaches?  I can see justification for track/dragstrip, can you extend the logic to daily driving or would you even want to?

You can't run it at the track, water leaking from your car is a no go.

I was black flagged once due to heavy condensation off the tailpipes after being accused of running my AC.

That's when the ac seats come in handy.