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Discussion Starter #1
Looks like I am going to go with a 160 degree t stat... I cannot handle the 200+ temps on my truck...I guess i will change it out in the am...

Anyone else change there's?
 

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theres nothing wrong with 200 plus temps all latemodel cars run around 210 220
 

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Discussion Starter #3
obd2 comes out of loop at 150 degrees... I am going to stick a 160 in there...
 

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I could be way off base, but I seem to remember that GM started running 194-196 degree thermostats back in the early 70's, when I still had the desire to rebuild engines and trannys. Of course muscle cars were tapering off, and pollution was becoming a concern....just thinking out loud....[/SIZE]
 

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PEDIGREE SSR
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Run Hotter

dohyatt said:
theres nothing wrong with 200 plus temps all latemodel cars run around 210 220
dohyatt is 100% correct... please check other threads reguarding "overheating" issues and you will see comments from within GM saying not to worry because they indeed run hotter.
 

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Hey Boosted,

I agree that we should lower the thermostat, but I would recommend the 180 instead of the 160. The computer like a little heat and once I get my diagnostic tool so I can change the fans to come on earlier, I think it will really make a difference....... READ THIS!

Let us know how yours works out.
 

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Switching Thermostats

Boy, this is an old thread that never seems to go away. BEWARE in changing thermostats unless you have a true overheating problem (bad thermostat). The aluminum block engines do run hot (as GM readily admits). Changing the thermostat can change many vital settings (fan ignition, etc.) and if engine is not running at "optimum engine temperature", you probably have a cooler engine, but less performance and lower gas mileage. Just my two cents since I've been thru this on C5 Vettes and Dodge Vipers. Have fun...and drive safe. CARNUT
 

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I sat in stop and go for about two hours last week and watched it go up and down. I use to turn on the heater to help the problem but I decided to just watch what it did. What I saw was at 220 the fan came on and drove it down to 195 and shut down. I watched it over and over and it never over heated. Us old guys are not use to these kind of temps on and engine so it is hard for us to go along with. Every thing I have read says it is normal. I have a 100K bumper to bumper warranty so I will give it a chance. I have nothing to loose. :cool :cool
 

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Discussion Starter #10
Mine did that in 50 degre weather...I cannot imagine 98 here in GA. I have an 04 T-stat and now I will begin the search for the 160.
 

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subman576 said:
I sat in stop and go for about two hours last week and watched it go up and down. I use to turn on the heater to help the problem but I decided to just watch what it did. What I saw was at 220 the fan came on and drove it down to 195 and shut down. I watched it over and over and it never over heated. Us old guys are not use to these kind of temps on and engine so it is hard for us to go along with. Every thing I have read says it is normal. I have a 100K bumper to bumper warranty so I will give it a chance. I have nothing to loose. :cool :cool
Mine pegged waiting on a train. Using info from this site - I took it in and told them to check the second fan. Service guy call me and said "how did you know that? The second fan is out".... Seems to be a somewhat frequent problem.
 

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Did they tell you if anything had been changed in the design at some point? :cool :cool
 

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How Will You Know There's a Problem

Guys,

It is all well and good that the engine is supposed to run hotter (210-220) degrees Fahrenheit, but is that really the operating temperature? If the gauge reads 240 degrees Fahrenheit is that okay?

People have reported that their temperature gauage has pegged to the right and they took it to get serviced. Great! But how do you know when it is malfunctioning otherwise? Why does someone have to wait until it pegs to the right before they realize it is running hotter or too hot? Shouldn't there be a way of telling before it gets to this point?

Also I am fortunate enough to have the gauge package but what happens to those who do not have the gauge package? Are they to just drive around until their temperature light activates?

Anyone have anything to add?

E :confused
 

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Discussion Starter #14
New t-stat from TYBRN is in and installed... Nice and cool on the gauge and with the addition of the Predator I can adjust the fans to keep it that way...


All is good now...
 

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Boosted said:
New t-stat from TYBRN is in and installed... Nice and cool on the gauge and with the addition of the Predator I can adjust the fans to keep it that way...


All is good now...

That'll really help in July down here!
 

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Discussion Starter #18
well I am getting 348 miles on a tank right now and that is refueling at an 1/8th tank. I have only used 1 tank of fuel since the swap but I did put another 16 miles on this tank..Could be driving speed or what not but I haven't lost anything with it yet... :thumbs
 
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