running cardboard in frotn of radiator for better heat. but how warm is too warm? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

yellow400ex05 · 01-11-2013, 11:09 PM

Alright I'm running a chuck of cardboard in front of the radiator on my '66 to improve the heat in the truck, yes i know it sounds crazy but they did it a lot back in the day! it covers a little more than 1/4 of the radiator, but we've got a warm spell here in NJ and want to know at what outside temperature should i remove this cardboard? above 45 degrees?

Brad54 · 01-11-2013, 11:15 PM

They did that to keep the radiator from plugging up, and from running too cold.

You're better off changing to a warmer thermostat. I run a 180 in the winter, and a 160 in the summer.
(Georgia winter, so it's anywhere from 30-degrees to 70!)

-Brad

yellow400ex05 · 01-11-2013, 11:25 PM

Quote:

Originally Posted by Brad54

They did that to keep the radiator from plugging up, and from running too cold.

You're better off changing to a warmer thermostat. I run a 180 in the winter, and a 160 in the summer.
(Georgia winter, so it's anywhere from 30-degrees to 70!)

-Brad

well i know that they did it to keep it from running too cold, which is partly why i did it. the truck runs at 165 degrees idling and in around 40 degree weather. do for a temporary fix i did the cardboard trick and it's helped out a lot.

**Corts60** · 01-12-2013, 01:03 PM

That is a trick a lot of diesel owners do as well. I would say anything from 190-200 is about as hot as I would want to get.
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01-11-2013, 11:09 PM	#1
yellow400ex05 Registered User Join Date: Aug 2011 Location: confusion, USA Posts: 206	running cardboard in frotn of radiator for better heat. but how warm is too warm? Alright I'm running a chuck of cardboard in front of the radiator on my '66 to improve the heat in the truck, yes i know it sounds crazy but they did it a lot back in the day! it covers a little more than 1/4 of the radiator, but we've got a warm spell here in NJ and want to know at what outside temperature should i remove this cardboard? above 45 degrees?

01-11-2013, 11:15 PM	#2
Brad54 Registered User Join Date: Aug 2006 Location: Athens, Georgia Posts: 1,458	Re: running cardboard in frotn of radiator for better heat. but how warm is too warm? They did that to keep the radiator from plugging up, and from running too cold. You're better off changing to a warmer thermostat. I run a 180 in the winter, and a 160 in the summer. (Georgia winter, so it's anywhere from 30-degrees to 70!) -Brad __________________ '61 Suburban daily driver: off the road due to 180-pound 8-pt buck! '62 K-10 long-step project '61 C30 Camper, aka "Valdez" There's no cool like Old School

01-12-2013, 01:03 PM	#4
Corts60 Just here to tinker Join Date: Jun 2008 Location: Holland, MI Posts: 3,697	Re: running cardboard in frotn of radiator for better heat. but how warm is too warm? That is a trick a lot of diesel owners do as well. I would say anything from 190-200 is about as hot as I would want to get. Posted via Mobile Device __________________ 78 C10 SWB Diesel #1 (wrecked)http://67-72chevytrucks.com/vboard/s...1978+silverado 78 C10 SWB Diesel #2 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=650751 60 GMC Suburban (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=445526 60 GMC 1000 (sold)http://67-72chevytrucks.com/vboard/showthread.php?t=298235 67 GMC 1500 (sold) http://67-72chevytrucks.com/vboard/s...d.php?t=803695 73 Chevy C20(Daily)http://67-72chevytrucks.com/vboard/s...d.php?t=852767 86 Suburban(summer unit) http://67-72chevytrucks.com/vboard/s...d.php?t=810697 88 Suburban 4x4(sold)

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