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Co2 Spray For Intercooler


benjam

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Hi all,

I saw an interesting and entertaining tv show on Foxtel Monday night on the How To channel. Basically they showed how to install your own C02 spray kit for an intercooler. While it may or may not have much effect on our T's, would there be any truth in the general principle of it affecting heat soak etc? I read a bit on water spray kits not having much affect for the T, but what about this? Anyone still thinking WTF? :blink:

post-6361-1147921248_thumb.jpg post-6361-1147921260_thumb.jpg

I must admit the show had a F&F type style which made me laugh a bit actually, :blink: though in all seriousness I like the cool factor of this along with any positive effect it may have technically on performance. :wub:

What do the drag racers think?

Check out the link below aswell (bit slow though).

http://www.diynetwork.com/diy/shows_dtrk/e...6_40566,00.html

Ben

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CO2 is one of the latest "go-fast" techniques being utilised.

Apart from cooling the intercooler, there are kits for cooling the fuel rails and also the intake air .

CryO2 System

The basic principle relies on expansion of the gas.

As the CO2 is released from high pressure, it expands, and temperature drops significantly. It's the exact opposite effect of why the boosted air after the turbo gets hot. As you compress a gas, it gets hotter...

Ever noticed how a spray can gets colder as you release the contents?

Anyway, the system certainly is effective.

It is used in the US... not sure if it has taken off here yet.

CO2 gas is also used to improve shift times in some of the top end drag racing gearboxes. The higher pressure of gas works quicker than hydraulic systems.

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I've been looking at these for a while, just as much for the show factor as for performance... I'm going to upgrade the intercooler first before getting one....

They would really help reduce the air temp to the motor, especially on back to back runs.

These guys do them in Oz, so do a few others but this was the first link I found.

http://www.alldayperformance.com.au/category144_1.htm

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I saw the show too and it had me thinking. They mount what looks like a NOS bottle in the boot

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I would think that putting CO2 on your intercooler could also cause your car to suck the CO2 into the motor and would reduce the performance.

I would also think liquid nitrogen would be more effective and much cooler.

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I would think that putting CO2 on your intercooler could also cause your car to suck the CO2 into the motor and would reduce the performance.

I would also think liquid nitrogen would be more effective and much cooler.

I'm guessing you don't realise how an intercooler works then.. as the CO2 would not enter the engine unless the spray goes up into your airbox/filter.

Otherwise wouldnt see people spraying their intercoolers with fire extinguishers or water bottles at Dyno comps. :)

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I would also think liquid nitrogen would be more effective and much cooler.

:laughing: That would be awesome how cold would the air be!!!!!

Until you crank the motor and the vibration shatters your frozen intercooler into a million bits, which would also be awesome to see, just not for the person who's car it was... :laughing:

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