LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Running hot at idle

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Old Mar 1, 2003 | 02:24 PM
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epicenter's Avatar
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Running hot at idle

44-K on this LT1 & it reaches 210 fh when at a prolonged idle (5 minutes or so) What could be causing this? Thanks in advance to those with all the wisdom.
Old Mar 1, 2003 | 04:08 PM
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No one has had this problem. Some one must have had this same problem. Please respond, thanks.
Old Mar 1, 2003 | 04:20 PM
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LT1 cars run really warm - I wouldn't worry about it unless the needle is in the red.
Old Mar 1, 2003 | 05:09 PM
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Just go grab a 160 degree thermostat for like 15-20 bucks and your car will run alot cooler.
Old Mar 1, 2003 | 06:30 PM
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Re: Running hot at idle

Originally posted by epicenter
44-K on this LT1 & it reaches 210 fh when at a prolonged idle (5 minutes or so) What could be causing this? Thanks in advance to those with all the wisdom.
It is normal operation. The fans don't come on until 226º.
Old Mar 1, 2003 | 07:38 PM
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226, wow that seems a little hot. Thanks for easing my mind on this issue. 160-stat. tomorrow
Old Mar 1, 2003 | 09:07 PM
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I would advice getting a jet fan switch so your fans turn on earlier like 185 degrees thats another way to keep tempertures down..goodluck
Old Mar 2, 2003 | 09:28 PM
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If you are sitting in traffic for long periods of time and your car starts to heat up simply turn your AC or defrost on. The car will actually run cooler because it forces your cooling fan to come on therefore moving air through the radiator and cooling things down. SLP makes a nice fan switch for like $80. I got it, and it works great......here is the link http://www.slponline.com/view_produc...RTNUMBER=63011
Old Mar 11, 2003 | 12:48 PM
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Originally posted by transam41282
Just go grab a 160 degree thermostat for like 15-20 bucks and your car will run alot cooler.

Get one from AutoZone for $6.00 160t/s
Old Mar 11, 2003 | 01:19 PM
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rickb@lynk.com
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You will not find a 160 thermostat for LT1 for $6.00. If you do not reprogram fans for lower temp then changing thermostat may have little if any effect at idle.
Old Mar 11, 2003 | 01:29 PM
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Originally posted by rickb@lynk.com
You will not find a 160 thermostat for LT1 for $6.00. If you do not reprogram fans for lower temp then changing thermostat may have little if any effect at idle.
I picked one up when I did my rebuild for six bucks and change.
Old Mar 11, 2003 | 01:38 PM
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Maybe you have air in your cooling system. When you turn your car off, and the coolant in the cooland resovior is "boiling", then you have air in the system. Or you could have a wrong coolant/water mixture.

Akshay
Old Mar 11, 2003 | 02:09 PM
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Originally posted by Akshay
Maybe you have air in your cooling system. When you turn your car off, and the coolant in the cooland resovior is "boiling", then you have air in the system. Or you could have a wrong coolant/water mixture.

Akshay
thats what i was gunna say, give that a shot might be your problem
and dont get a 160 degree thermo unless you program your fans
Old Mar 13, 2003 | 03:49 PM
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Unhappy

Check to make sure a WalMart bag is not covering the Radiator.

This happened to me
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