CryO2 systems
Turbo Mini Forums

Hi,
Don't know if anyone's seen this, discount from Demon Tweeks has got to be worth a look alone!

Basically a CO2 intercooler spray, but they also do an intake chiller and fuel chiller, all hooks up to one cylinder. Take a look on the manuafactures site.....

That seems like a good price, but they want £350 for the bottle, solenoid and pipe. Although you could source those else where cheaper!
Cheers,
Gavin :)

Edited by Bat on 15th Mar, 2006.

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Intercooler Spray is interesting as it lowers the temp reasonably well. Advantageous if suffering from heat soak.
If the Intercooler and air intake are both mounted at the front of the car in the flow of air then there is a definate risk of pulling CO2 into the intake (Not clever).
It is not uncommon for people to spray their intercooler with CO2 prior to a drag run.
Most people do this manually using a Fire Extinguisher.
Have seen the other products as well.
Imagine that the intake cooler is a bulb which is inserted into the intake pipework.
I don't really fancy having such an obstruction in my intake.
The fuel supply cooler seems to be the most interesting option of all but if it works in the same way as the intake cooler I definately don't want one.
Restricting air flow into the engine is detrimental to performance. Restricting fuel flow to the engine is detrimental to the engine.
If you want to cool the intake charge use a decent intercooler and or Nitrous.

Me too Peter.
I have the disadvantage that my engine is mid-mounted so there is little air-flow into the engine bay.
Therefore, a Celica GT4 Chargecooler is being mounted in the engine bay with an additional front mounted radiator taking the heat out of the water.
I have a greater interest in Curly Wurlys than in Bananas.

Hi,
I'm road use so none of that lot will be of much use to me. I'm more interested in the curley wurlys to, as low in the rev range as possible!
Cheers,
Gavin :)

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Then use a Turbo appropriately matched to the engine capacity which will spool quickly and a decent intercooler or chargecooler.
Opening out the exhaust elbow appears to be a successful way to improve gas flow and ensure quick spool.
If using the original T3 then Nitrous could be used for Anti-Lag.
Used in conjunction with a pressure switch the system can be de-activated as boost pressure builds.
This will drastically improve spool time and as the Nitrous is only used for a short time a bottle will last far longer than if it is used throughout the Rev Range.
I personally feel that if Nitrous is used in conjunction with a T2 that a "choke" type issue occurs due to the wastegate being restrictive and limiting gas flow. This is only a theory however and has yet to be proved in the real world.
I am of the opinion that a T2 used in conjunction with an external wastegate would provide the ultimate performance allied to Nitrous. The external wastegate would have greater flow potential in addition to the other positive factors which Peter has put forward in a previous thread.
I guess this has yet to be proved although I am keen to give it a go.
As has been said previously real world tests are worth far more than conjecture.
My car is used exclusively on the road Gavin so my aim is to ensure that it is as drivable and tractable as possible.
Like Turbo Dave says "If you are going to copy, copy the best". His own set up is one of the most tractable around and he has spent years investigating different routes and disgarding methods which do not offer advantages (e.g. Water Injection).
You could do far worse than follow in his footsteps.
There are many guys on this forum who have spent significant amounts of time researching, testing and then sharing their knowledge.
I'm here to learn from anyone who has greater experience than me.
That said if you wish to try something new then go ahead but don't be shy sharing your findings.
That is how we get to know what works and what is merely a marketing stunt.

Regards

Dave