MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
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Since my bro has nitrous'd up his GTi6, and has some spare parts left over....i've been thinkin....
The idea of being able to bring my intercooler down to like 0 degrees by blasting it with CO2 very much interests me. Better than ANY huge FMIC up the 1/4 mile. I mean for every 4 degrees drop in charge temp, there is potential for 1bhp gain...so could see anything up to 10-15bhp with this?!
However, can anyone foresee problems with this method? Will the quick transition between 60deg -> 0deg cause too much stress on the intercooler? Cracking or anything?
I know its been used for years as a cooling method, and cant find any bad stories on the Web. The Twisted Sanity nitrous guy said he's never heard of problems either, and its VERY effective.
cheers in advance
Matt
PS: I realise alot of the replies will be speculation as no1 on here has such a set up, but i'd like to look into any possibly probs etc.
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Marc
Member
Registered: 11th Aug 02
Location: York
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There was a guy spraying his intercooler with CO2 at scooby shootout.
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ed
Member
Registered: 10th Sep 03
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I reckon you might put hairline cracks in the FMIC after a while, as it would be changing temperature very quickly, however if you were to gradually cool it over a couple of minutes before a run, or when you needed it then this could be avoided. I think that there is already a product available called a Cry02 which cools the intake pipe on a N/A car, I'm guessing this could be put to more use by using it to cool the intercooler...
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vibrio
Banned
Registered: 28th Feb 01
Location: POAH
User status: Offline
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quote:
Originally posted by MattyB
Since my bro has nitrous'd up his GTi6, and has some spare parts left over....i've been thinkin....
The idea of being able to bring my intercooler down to like 0 degrees by blasting it with CO2 very much interests me. Better than ANY huge FMIC up the 1/4 mile. I mean for every 4 degrees drop in charge temp, there is potential for 1bhp gain...so could see anything up to 10-15bhp with this?!
However, can anyone foresee problems with this method? Will the quick transition between 60deg -> 0deg cause too much stress on the intercooler? Cracking or anything?
I know its been used for years as a cooling method, and cant find any bad stories on the Web. The Twisted Sanity nitrous guy said he's never heard of problems either, and its VERY effective.
cheers in advance
Matt
PS: I realise alot of the replies will be speculation as no1 on here has such a set up, but i'd like to look into any possibly probs etc.
waste of time. the CO2 works it's way into the inlet and causes decrease in power
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Ditch
Member
Registered: 29th Nov 02
Location: St Albans Drives: JDM Celica GT4 WRC
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I speculate that it will be fine on a decent sized aftermarket IC
why not bodge in some water jets to spray the IC with? Cheaper to make, cheaper to run, easier to do, and as its not AS effective as CO2 its not going to cool the IC so fast that it cracks
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micra_pete
Premium Member
Registered: 23rd Apr 03
Location: West Yorkshire
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if you were wanting something like this i'd just go for water personally
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
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Yeah i'm worrying bout the rapid heat change too but every forum i've search has said they've had no probs!?
I've almost finished my water set up. Not tested it as yet but i cant see it be 10% as effective as CO2! I need to sort a drip tray for under neath tho! 
Vibs - how can the CO2 works its way in if the intercooler is sealed? Do u mean if hairline cracks start appearing then it'lll get thru?
Matt
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ed
Member
Registered: 10th Sep 03
User status: Offline
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Think he means that it will flow through the intercooler and into the bay where the air intake is - induction kit / air box / air filter - and as there will be an increased ammount of Co2 in the bay the engine will suck in more of the stuff and you'll end up loosing power... Could be avoided if you use a ram air intake?
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
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Oh rite, i see what he means now.
Nah, my intercooler is sealed on top so CO2 wouldnt really escape there. Possibly underneath, but coz my induction kit is on the opposite end of the engine bay low down, i think it should be OK.
Matt
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vibrio
Banned
Registered: 28th Feb 01
Location: POAH
User status: Offline
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quote:
Originally posted by MattyB
Yeah i'm worrying bout the rapid heat change too but every forum i've search has said they've had no probs!?
I've almost finished my water set up. Not tested it as yet but i cant see it be 10% as effective as CO2! I need to sort a drip tray for under neath tho!
Vibs - how can the CO2 works its way in if the intercooler is sealed? Do u mean if hairline cracks start appearing then it'lll get thru?
Matt
into engien bay then through filter
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psycho sport
Member
Registered: 27th Mar 03
Location: Guildford Surrey Drives: Vauxhall Monaro
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re route ur air con so it cools the intercooler! hahahaha
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
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Dont have air con
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