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  #1  
Old 04-20-2008, 09:35 PM
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Join Date: Jan 2006
Location: Detroit, MI
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Co2 IC cooling

It's been talked about on every other "performance" forum (non-mb related, at least)


Anyone ever thought about it. Our MBs don't have all to much room for a proper sized IC, and this is cheap HP (upto 65ish HP has been talked about)
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  #2  
Old 04-20-2008, 10:31 PM
ForcedInduction
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Cold air does not produce more power, it allows more fuel to be safely injected. You can get the air as cold as you want but it won't make any power difference until you set the fuel rate to match the higher air density.

Personally I'd prefer nitrous injected into the intake after the intercooler. As it expands it super cools the air and has the added benefit of being an additional oxygen source.

CO2 costs about $3.00 per lb to refill and it only provides cooling. Nitrous is about $3.50 per lb to refill, it cools the air, it provides a big HP boost if you have the fuel to burn with it AND it can be sprayed onto the intercooler the same style as CO2.

Nitrous is an all-around better deal, IMHO.
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  #3  
Old 04-20-2008, 10:55 PM
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Location: Canada, Ontario, Hamilton
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top gear had a vid , they had nos on a tdi, it made a big difference

isnt colder air like more psi, its more oxygen rich so it can act as psi to go with more fuel?? to a extent !

and hitting nos will give a psi boost into the intake ?

have the purge line blow on the IC
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  #4  
Old 04-20-2008, 10:58 PM
ForcedInduction
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Quote:
Originally Posted by 1985300d View Post
top gear had a vid , they had nos on a tdi, it made a big difference
That was Fifth Gear and their video is very misleading. Nitrous alone will give no power boost but Fifth Gear didn't say what fuel source they use or how much they use.
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  #5  
Old 04-21-2008, 03:53 AM
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Crazy mechanic.
 
Join Date: Jan 2007
Location: olympia washington
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Quote:
Originally Posted by 1985300d View Post
top gear had a vid , they had nos on a tdi, it made a big difference

isnt colder air like more psi, its more oxygen rich so it can act as psi to go with more fuel?? to a extent !

and hitting nos will give a psi boost into the intake ?

have the purge line blow on the IC
Nitrous oxide, When at a certain temperature the nitrogen and oxygen molecules break apart from eachother, Giving the fuel more oxygen to burn.
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