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Old 12-16-2008, 02:59 PM   #16 (permalink)
cfg83
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Join Date: Dec 2007
Location: Southern California
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
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Lazarus -

Quote:
Originally Posted by Lazarus View Post
The heat has to come from somewhere. I see about 8 degrees different in the water temperature when running the Heater. One of the reasons to run a grill block, beside aero, is to help warm up quicker and run hotter. The hotter the engine, to a point, the better the FE.

The Old beaters I drive when it starts to overheat I can turn the Heater on Full blast and the temp will drop.
That's egg-zactly what I used to do with my old Datsun B210 Honeybee. Until I implemented my manual fan radiator control switch, I used to do that in the summer with my SW2. I still advise it to friends as a stop-gap when they're having problems. It makes me wish there was a setting on the vent-control-switch that would "vent to the outside". That way, the heat wouldn't enter the cabin when I'm trying to protect the engine.

I never turn on the cabin heat unless the engine coolant is at least "almost warmed up".

CarloSW2
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