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Old 08-25-2002, 12:24 PM   #1
Turbo Tin Can
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Member#: 18383
Join Date: May 2002
Default Is it possible to over cool your water and coolant?

I have herd that these radiator splitters really do work That their needle is lower and so on. Now that combined with some water wetter would drop it even more. Is it possible to keep the water so cool that your engine won't run effeciant or properly? Or maybe your heater won't work as good, i duno im not a mechanic.

Also what i have a cusco radiator cap i got for free, what does that cap accomplish ? Anything? Also what will a thermostat do such as teh zerosports one?
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Last edited by Turbo Tin Can; 08-25-2002 at 12:31 PM.
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Old 08-25-2002, 01:14 PM   #2
SAW
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Location: Jenkintown, PA
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2002 Black WRX

Default

I am interested in these questions also.

My friend changed the thermostat on his Impala SS. The car ran great in the summertime. In the wintertime, his car ran fine, but his heater would never warm up. It was a fast cold car!

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Old 08-25-2002, 02:45 PM   #3
M3sum
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Ditto
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Old 08-25-2002, 03:09 PM   #4
mr2guru
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91 RX7 LSx swap
'09 CC 3.6 4motion

Default Re: Is it possible to over cool your water and coolant?

Quote:
Originally posted by Turbo Tin Can
I have herd that these radiator splitters really do work That their needle is lower and so on. Now that combined with some water wetter would drop it even more. Is it possible to keep the water so cool that your engine won't run effeciant or properly? Or maybe your heater won't work as good, i duno im not a mechanic.

Also what i have a cusco radiator cap i got for free, what does that cap accomplish ? Anything? Also what will a thermostat do such as teh zerosports one?

Your temperature is regulated by the thermostat.....You could have a radiator the size of a mack truck and your car would still run at thermostat temperature. The splitters, radiator caps, and "racing" radiators that are available help control overheating to which the thermostat has no control over. The radiator cap allows higher pressure therefore increasing boiling resistance of the coolant. Now...If you change your thermostat to lets say 150deg. Yeah the heater would be colder and you might even affect the way the computer fuels your engine and it takes into account the engine temperature in deciding what maps to use. I am not sure what temp the ECU needs to see before it goes to the normal (hot) fuel maps.

As far as I have seen the WRX hasn't had any overheating problems with the stock cooling setup. Even with large flow restricting frontmounts in front of the radiator and high power levels.

Jim
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