Dry Ice on the Intercooler

DoubleURX · 09-18-2006, 05:49 AM

I've done a bit of searching, and dry ice only seems to come up here and there....no real definative thread on the subject. I regularly put a bag of ice on my intercooler between runs at the dragstrip, but I wanna know alittle more about dry ice.

I read in another thread someone was saying to break it up into chunks and leav it there for the whole run. Would I be able to take a piece that is the size of the intercooler and just drill some big holes in it? Would that block alot of airflow, or would the cooler temps make up for it?

Delaware Subaru · 09-23-2006, 01:05 PM

Interesting. If you try it, let us know the results.

***reeksti*** · 09-23-2006, 01:08 PM

***Rac10000*** · 09-23-2006, 02:46 PM

I think a whole chunk that covers the entire IC would block too much air flow. Some little pieces may help drop the temps a little without disrupting all the air flow.

DoubleURX · 09-25-2006, 05:13 AM

Quote:

Originally Posted by Rac10000

I think a whole chunk that covers the entire IC would block too much air flow. Some little pieces may help drop the temps a little without disrupting all the air flow.

Does that go the same for an intercooler sized chunk with monster plenty of holes in it? I keep thinking that just leaving chunks under there, it'll be all over the place down the track.

**spazegun2213** · 09-25-2006, 05:50 AM

my friend puts it in his Alky mix....

its like nos on crack when the alky turns on.

LOLSTi · 09-25-2006, 06:14 AM

Quote:

Originally Posted by DoubleURX

Does that go the same for an intercooler sized chunk with monster plenty of holes in it? I keep thinking that just leaving chunks under there, it'll be all over the place down the track.

Shouldn't be. The IC should be sealed off (not perfectly, but good enough for ice) with your hood.

***Rac10000*** · 09-25-2006, 06:22 AM

Quote:

Originally Posted by DoubleURX

Does that go the same for an intercooler sized chunk with monster plenty of holes in it? I keep thinking that just leaving chunks under there, it'll be all over the place down the track.

It wont be all over the place or all over the engine bay, it would just be sliding all over the IC. I just think that getting a huge block (the size of the IC) and making huge holes will still not allow for enough air flow. I would not want to block more than 20-25% MAX of the IC surface area, especially on the track.

Another suggesion would be to put ice in the IC sprayer and just keep on spraying it.

osbjmg · 09-25-2006, 06:30 AM

Ignorant question: air needs to flow over the IC to provide cooling. The ice is cooling the IC instead now, so why would you need airflow?

luSTI · 09-25-2006, 07:12 AM

There was a thread a long time a ago about this. A guy dynod his car with and without dry ice on the TMIC. He picked up somethin like 12whp and 42wtq. I will see if I can find the thread after I get out of class.

**fullerton** · 09-25-2006, 07:15 AM

^^my guess would be that there is more to the ic than just the top surface. it is several inches thick for a reason.

cold top and airflow is most likely the best.

edit- too slow to post. answering earlier "ignorant" question.

osbjmg · 09-25-2006, 07:25 AM

I hear you, that makes sense, you need to get that cold air to permeate the intercooler so you get contact with the air. I would imagine that the ice is a great improvement over the atmospheric temperature, but you may need some air to force that cold over the vanes to get in contact with the intake air. I think the reduced airflow wouldn't matter too much if the temperature of the ice is much cooler than the air.

Why don't you just turn the air conditioning on, doesn't that keep the engine cool? (kidding

)

**fullerton** · 09-25-2006, 07:37 AM

^actually, i think I remember people running a/c between runs to cool the ic.

i think their reasoning is that the a/c lines run by the ic, and therefore cool it quicker... who knows.

cfelix10 · 09-25-2006, 08:23 AM

Where can you buy dry ice? I have tried to find it and people look at me like i have three heads.

boataholic · 09-25-2006, 08:28 AM

http://www.dryicedirectory.com/results.asp

09-18-2006, 05:49 AM	#1
DoubleURX Professional STI Racer Car: 05 Black on Black Location: Long Island Posts: 701 IWSTI Addict since: Oct 2004 Trader Rating: (1)	Dry Ice on the Intercooler I've done a bit of searching, and dry ice only seems to come up here and there....no real definative thread on the subject. I regularly put a bag of ice on my intercooler between runs at the dragstrip, but I wanna know alittle more about dry ice. I read in another thread someone was saying to break it up into chunks and leav it there for the whole run. Would I be able to take a piece that is the size of the intercooler and just drill some big holes in it? Would that block alot of airflow, or would the cooler temps make up for it? This ad is not endorsed by this member. Please register or login to hide this ad.

09-25-2006, 08:28 AM	#15
boataholic Professional STI Driver Car: 06 WRX STI Fav Mod: Invidia G200 Location: The OC Posts: 412 IWSTI Addict since: Jul 2006 Trader Rating: (1)	http://www.dryicedirectory.com/results.asp This ad is not endorsed by this member. Please register or login to hide this ad.

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09-23-2006, 01:05 PM	#2
Delaware Subaru Junior STI Driver Fav Mod: flushing toilets Posts: 170 IWSTI Addict since: Oct 2005 Trader Rating: (2)	Interesting. If you try it, let us know the results.

09-23-2006, 01:08 PM	#3
*reeksti* 1B4DSTI Car: 06 CGM/Emotions Fav Mod: M&J Modified Location: Bensalem, PA Posts: 7,213 IWSTI Addict since: Jan 2006 Trader Rating: (10)

09-23-2006, 02:46 PM	#4
*Rac10000* ADMIN Car: 2005 BMW COMP ///M3 Location: Westchester, NY Posts: 1 IWSTI Addict since: Jan 2004 Trader Rating: (13)	I think a whole chunk that covers the entire IC would block too much air flow. Some little pieces may help drop the temps a little without disrupting all the air flow.

09-25-2006, 05:50 AM	#6
spazegun2213 Poor Speed Racer Car: 96 328 Fav Mod: Tightening the nut behind the wheel! Location: Northern VA Posts: 8,437 IWSTI Addict since: Mar 2005 Trader Rating: (8)	my friend puts it in his Alky mix.... its like nos on crack when the alky turns on.

09-25-2006, 06:30 AM	#9
osbjmg Professional STI Driver Car: 06 CGM STi Fav Mod: brake dust generators Location: Durham, NC Posts: 420 IWSTI Addict since: Jan 2006 Trader Rating: (0)	Ignorant question: air needs to flow over the IC to provide cooling. The ice is cooling the IC instead now, so why would you need airflow?

09-25-2006, 07:12 AM	#10
luSTI Spec C Club Car: 05 Subaru WRX STi Fav Mod: FP Red and Meth Location: Charlotte, NC Posts: 1,192 IWSTI Addict since: Mar 2005 Trader Rating: (2)	There was a thread a long time a ago about this. A guy dynod his car with and without dry ice on the TMIC. He picked up somethin like 12whp and 42wtq. I will see if I can find the thread after I get out of class.

09-25-2006, 07:15 AM	#11
fullerton Halliburton Mercenary Car: AW GDF-D Fav Mod: Q-Rack Location: P&L 30R Land Posts: 17,014 IWSTI Addict since: Oct 2005 Trader Rating: (11)	^^my guess would be that there is more to the ic than just the top surface. it is several inches thick for a reason. cold top and airflow is most likely the best. edit- too slow to post. answering earlier "ignorant" question.

09-25-2006, 07:25 AM	#12
osbjmg Professional STI Driver Car: 06 CGM STi Fav Mod: brake dust generators Location: Durham, NC Posts: 420 IWSTI Addict since: Jan 2006 Trader Rating: (0)	I hear you, that makes sense, you need to get that cold air to permeate the intercooler so you get contact with the air. I would imagine that the ice is a great improvement over the atmospheric temperature, but you may need some air to force that cold over the vanes to get in contact with the intake air. I think the reduced airflow wouldn't matter too much if the temperature of the ice is much cooler than the air. Why don't you just turn the air conditioning on, doesn't that keep the engine cool? (kidding )

09-25-2006, 07:37 AM	#13
fullerton Halliburton Mercenary Car: AW GDF-D Fav Mod: Q-Rack Location: P&L 30R Land Posts: 17,014 IWSTI Addict since: Oct 2005 Trader Rating: (11)	^actually, i think I remember people running a/c between runs to cool the ic. i think their reasoning is that the a/c lines run by the ic, and therefore cool it quicker... who knows.

09-25-2006, 08:23 AM	#14
cfelix10 Senior STI Driver Car: 05 Subaru WRX STi Fav Mod: Flux Capacitor Location: Elkton, Md Posts: 318 IWSTI Addict since: Feb 2006 Trader Rating: (8)	Where can you buy dry ice? I have tried to find it and people look at me like i have three heads.