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Old 06-22-2010, 01:05 PM   #1
gonzoactive
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Join Date: Dec 2004
Default 2.2 Temperature diary.

I have a stock 2.2 engine that I pulled from a 92 legacy wagon, and put into a 5000 lb VW vanagon camper. I installed a digital temp gauge to drive myself crazy.

The engine goes in the back and the radiator is in the front. I have the standard 170F subaru thermostat, and radiator fan switch operating at the low and high 190s.

In NC the temperature is 103F today and the temperatures on my cyberdyne digital gauge is reading "high." Driving in mostly stop and go traffic I range from 204F to 210F. A few times I have seen 225F. While moving, I see 196F at 45 mph and this drops to 192F at about 80 mph. The subaru parts person told me to pull over at 206F.

1) What temperatures are any of you getting in similar heat conditions?

2) At what temperature am I going to blow a gasket or ruin the engine?

3) I thought about changing the rad temp fan switch to activate at lower temps, but I would have to manually shut off AC if the car became too hot.

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Old 06-22-2010, 01:21 PM   #2
suex
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E-fan with an on/off switch on the dash... Just leave it on in the city, turn it off on the hyway, way cheaper to replace than the whole motor...
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Old 06-22-2010, 04:30 PM   #3
GrimmSpeed
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I'm not sure what temp the head gaskets will start to blow at, nor do i think there is a set temp but if the dealer is saying 206* is bad then i would definitely look into solutions to bring it down. A quality and still cost effective solution to keeping the coolant a little cooler would be to add a lower temp thermostat. If it 160* thermostat can lower your temps another 10-15 degrees over the 170* then that definitely puts you back in the safe zone.


Mike
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Old 06-23-2010, 01:22 AM   #4
PhilSine
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Location: Superior, WI
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02 WRX Wagon (WRB)
98 OBS-T, 91 Legacy SS

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Try a product by Redline called "Water Wetter" it's pink fluid in a clear bottle. A lot of guys that race use it to keep the temperatures down in their race cars. You should be able to get it at any parts store.
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Old 06-23-2010, 04:22 PM   #5
snoopyone8
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2000 2.5RS SilverthornMet

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Quote:
Originally Posted by PhilSine View Post
Try a product by Redline called "Water Wetter" it's pink fluid in a clear bottle. A lot of guys that race use it to keep the temperatures down in their race cars. You should be able to get it at any parts store.
+1 You should see a 10-15 degree decrease. Ive never used it with antifreeze, only water, so read the bottle carefully. But it definitely works!
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