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Blocking raidiator from air flow in the cold???

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Old Nov 17, 2006 | 11:17 PM
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From: The dark carnival
Blocking raidiator from air flow in the cold???

Does anyone block their radiator from the front so that very little air will pass through it when the weather gets rather cold???

I see many diesel trucks with this sort of shield up front and sometimes I see gas powerd rigs too, but not as much.
 
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Old Nov 17, 2006 | 11:52 PM
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Back in the day that was cheaper than a hotter thermostat. And we didn't have as much to pick from.
 
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Old Nov 17, 2006 | 11:58 PM
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i dontblock mine, i dont see the point to it. last year was the first time i drove my 96 in the cold it didint have any problems.

otherwise i drove my 82 for the years before that, the coldest day i can remember was -13 F, it started, warmed up and ran in normal temp range and put out plenty of heat.

maybe some vehicles are more cold blooded by nature and the old cardboard treatment helps
 
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Old Nov 18, 2006 | 09:04 AM
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I did it with my 83 f250 302. the darn radiator was too efficient.
I blocked about half of the radiator
 
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Old Nov 18, 2006 | 10:03 AM
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I have a grill cover for my truck, but since changing the heater core and installing a new thermostat I don't have any problems with heat in these Canadian winters. I also have a 2" aluminum rad.
 
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Old Nov 18, 2006 | 10:36 AM
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I have a 96 f250 HD and Ive never done that, always thought about it, but even during the coldest winters a few years ago it started right up, i let it come up to temp while I cleaned off the exterior of snow, and then I hopped in and drove off, it didnt have any problems, it did stay noticable cooler but the heater still pumped out hot air so i wasnt too worried about it.
 
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Old Nov 19, 2006 | 12:51 AM
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I've only done it once in a rain/sleet storm with very high winds... kept getting cool and my legs and feet were cold... just slid piece of cardboard from gas station under the grill and wedged it tight.... I would guess it was well below 0 with the wind chill.
 
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Old Nov 19, 2006 | 07:29 AM
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I have a set of plastic "Lund" brand grill inserts. They simply pop into the openings in the 92-96 grill and block most of the airflow. I didn't use these inserts last year, and probably won't this year as it didn't seem to be necessary.
 
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Old Nov 19, 2006 | 11:30 AM
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I block the rad in the winter time with a cover that has couple of flaps on it so that they can be left open and get a little bit of air flow. I find it helps the truck heat up much quicker in the mornings. It is atttched with snaps so if it is a warmer than usual day it is quick to remove and re-install.
 
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Old Nov 19, 2006 | 06:48 PM
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Another option is cardboard. I used to shove cardboard behind my grill in my 1969 XL convertible, otherwise I'd freeze to death in the winter.
 
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Old Nov 19, 2006 | 07:14 PM
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I have also used cardboard in the past . Some of the service vans that I had would never really get warm. On mild days it would get wet and then would freeze to the rad over night . Not that it would hurt anything, I decided to spring for the cover .
 
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Old Nov 19, 2006 | 09:01 PM
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My uncle made a trip up the Al-can In the early 80's. With an almost new 78 F250.The thermostat was stuck open and with rain coats and things like that stuck in front of the radiator they where still having to scrap ice from inside windows and wrap themselves in blankets. they finally found a shop that fixed it for them but they almost froze to death. He said it was like 30 below plus the chill factor. that's US temps.
 
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