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Old 09-12-2005, 09:11 PM   #1
04STiguy
Scooby Specialist
 
Member#: 36234
Join Date: May 2003
Chapter/Region: SCIC
Vehicle:
2005 WRX STi
CGM

Default FMIC's, summertime roadracing and engine coolant temps....

Anyone here who has an FMIC and roadraces in hot ambient temps? I am worried that by adding an FMIC to the car it will cause issues with my engine cooling while open tracking at Willowsprings and Buttonwillow. Ambient temps frequently hit 95-100F+ in the summer.

Any feedback data (specifically those that have done this) would be appreciated!!
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Old 09-12-2005, 11:07 PM   #2
BLACK02WAGON
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Member#: 32574
Join Date: Feb 2003
Chapter/Region: MAIC
Location: North Carolina
Vehicle:
2004 STi
WRB 402whp/400wtq

Impreza WRX STi

I have the TurboXS FMIC and have spent some time at summer auto-x and one trip to VIR in July and have had no problem. That being said, I did upgrade my entire cooling system(full Al radiator, hoses, and tstat) and added a oil cooler. If you are gonna push it, why not make sure its gonna be safe.

Good Luck
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Old 09-12-2005, 11:18 PM   #3
scoobie1
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Member#: 41559
Join Date: Aug 2003
Chapter/Region: South East
Location: Charleston, SC
Vehicle:
2007 Brocoma

Default

Although I haven't taken it to a track since I've installed it, my last auto-x was the reason I installed a FMIC. On the day of the event the heat index was ~105 and the temp was around 95 or so. By the end of my 5th lap, the stock TMIC couldn't keep up and my UTEC started pulling a little timing. I was on the I/C spray button constantly and also was popping my hood between laps to let some of the heat out. Track days aside, I think the heat here alone is enough to warrant a FMIC just for hard daily driving.
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Old 09-13-2005, 01:26 PM   #4
doubleurx
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Member#: 64024
Join Date: Jun 2004
Location: truckee, ca
Vehicle:
03 996 TT, 964 C4
salt and pepper

Default

You need to do something. I am in the same boat. I was at a track day with 100+ temps and at WOT on the straights, i had increased coolant temps. It went back down immediately. I'm going to start cheap with just a radiator shroud, better thermostat and some water wetter. If it is still a problem then it's going to be the whole new radiator. Around town I never see elevated temps, only at the track.
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