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Old 09-03-2008, 12:21 AM   #1
lennyTR
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Join Date: Mar 2007
Location: Triad, NC
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2007 WRX TR
Satin White Pearl

Default Prosport coolant temp. gauge reading low compared to Accessport. ?

I just got done reading all the live data for my car on my accessport. (of course not while I'm driving though )

Accessport was reading 194 degrees for the coolant temp when engine was at full operating temp.

Prosport gauge consistently reads 180 degrees.

Any ideas why? Maybe it has to do with the placement of the coolant temp sensor? That just seems like a pretty big gap.
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Old 09-04-2008, 12:55 AM   #2
lennyTR
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bump because it is important to know exactly how hot my motor gets.
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Old 09-04-2008, 02:19 AM   #3
ciper
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AWD 946 Rio Red Jpn built

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Where is the temp sender for the prosport unit...
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Old 09-04-2008, 01:52 PM   #4
lennyTR
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Quote:
Originally Posted by ciper View Post
Where is the temp sender for the prosport unit...
Upper radiator hose. I used prosport's radiator hose adapter.
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Old 09-04-2008, 05:21 PM   #5
ciper
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Thats why. The factory unit is in the cross over pipe which sees more coolant flow and is between the two block halves vs the prosport one that sits in the hose and when the thermo is closed no fluid is even passing by.

I wonder if you could tap into the single wire gauge sending unit?
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