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S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

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Old 03-22-2006, 04:50 AM   #1
Casablanca White S4
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Default How does the water to air intercoolers work? (more inside)

In the winter, do you put anti-freeze so it doesnt freeze up? What about the summer? What do you do ? Just wondering
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Old 03-22-2006, 05:00 AM   #2
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Default Ask WJM on the A4 forum...

In the winter an antifreeze/water mix. Summer you can use less or no antifreeze.

Water is much more efficient at removing heat, but there is a fixed quantity of water in the system so you need a separate heat exchanger/radiator to remove the heat from the water.

-Dave Pramanik
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Old 03-22-2006, 05:01 AM   #3
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Default 2 types of air to water iirc. not sure of the names

1: (homemade)its just a regular container that surround the intercooler with a cap. you drop ice and water into it when you are at the track. this IC is NOT good for street use

2: radiator type IC. the IC has air actually passes through a rediator type device that has its own closed circuit fluid. the radiator has 2 cores. one inside the IC, and one at the front of the car to cool the liquid.
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Old 03-22-2006, 05:07 AM   #4
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Default basically the A/W IC either does or doesnt have a heat exchanger. it should be a closed system in

all cases. some do have provisions for a 'dry ice' box to drastically cool the water/coolant.
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Old 03-22-2006, 05:08 AM   #5
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Default some dood around me with a 9 second lightning showed me his homemade a/w IC

dry ice box the size of 3 batteries.
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Old 03-22-2006, 05:19 AM   #6
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Default Is anyone running A/W IC on here?

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Old 03-22-2006, 05:24 AM   #7
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Default the silverbullet ran air to water, theres a black avant around with AWE air to water ICs back from

when they made them too.
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Old 03-22-2006, 05:26 AM   #8
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Default How does theres work?

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Old 03-22-2006, 05:28 AM   #9
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Default closed system, modded stock ICs with a 'water jacket' welded around them, completely enclosing them

with water. heat exchanger for the system mounted in front of the radiator.
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Old 03-22-2006, 05:33 AM   #10
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Default And awe sold that whole setup? How much? why did they stop?

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Old 03-22-2006, 05:33 AM
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air, airwater, anodized, audi, awe, b5, b8, ic, intercooler, intercoolers, rs6, s4, setup, systems, water, work


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