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Location:
Brisbane, Queensland
Registered:
June 2005
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St-185RC Water To Air Intercooler, hows it work?
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Tue, 19 July 2005 11:05
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hey guys,
i got myself a st-185RC 3s-gte motor im using for a conversion, were gettin closer to having it finished but what is puzzing me is how the water to air intercooler setup works, what the red liquid that was inside mine was and if its always pumping everything thru then how does it say outta the throttle body and turbo? :S
any info is helpful as im a mech appencitce  thanks guys
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Location:
Canberra
Registered:
July 2005
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Re: St-185RC Water To Air Intercooler, hows it work?
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Tue, 19 July 2005 12:32
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Not specific to ST185RC ('cos I dunno), but a generalisation of W-A intercoolers.
The red liquid is coolant. Exactly the same as in the radiator. The reason the coolant doesn't go in to the inlet is because it is isolated. There is no direct contact between the inlet charge and the coolant. Basically the intercooler consists of the inlet pipe runnning through a jacket of coolant. This coolant goes through the heat exchanger in the front bar, which is essentially the same as a radiator. So the inlet temps are controlled by the cooler, and the coolant is chilled by the heat exchanger.
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Location:
Bundaberg, Qld.
Registered:
May 2002
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: St-185RC Water To Air Intercooler, hows it work?
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Tue, 19 July 2005 23:26
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Think of a water to air IC as two radiators, one which is encapsulated (heat exchanger) and one not.
The water flows around the two radiators via a moderately sized water pump.
The heat exchanger works in reverse to the way a normal radiator works, the water actually cools the charge air instead of the air cooling the water.
The main radiator is then cooled by air in a normal fassion.
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Location:
Brisbane, Queensland
Registered:
June 2005
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Re: St-185RC Water To Air Intercooler, hows it work?
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Wed, 20 July 2005 07:34
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so what does filler cap on the IC only fill the core? cause you can see in and out of the inlet pipe from the turbo and to the throttle inlet :S
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Location:
Sydney
Registered:
October 2003
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Re: St-185RC Water To Air Intercooler, hows it work?
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Wed, 20 July 2005 07:40
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Yep, it fills the water part.
You will also notices there's two much smaller pipes coming from the intercooler. These lead to the heat exchanger (another radiator) and the pump.
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Location:
Brisbane, Queensland
Registered:
June 2005
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Re: St-185RC Water To Air Intercooler, hows it work?
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Wed, 20 July 2005 07:43
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yeah i figured that one when i dismantled it all , thanks for all the info guys its been a great help  but still if you know other stuff on it feel free to msn me or pm or just post here im always up for a chat
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