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Coolant Temp and Oil Pressure question

This is a discussion on Coolant Temp and Oil Pressure question within the General Help forums, part of the LSx Technical Help Section category; Here is a pic of what my car idles at, is it normal? Should I install a 160 thermostat? 2002 ...

  1. #1
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    Coolant Temp and Oil Pressure question

    Here is a pic of what my car idles at, is it normal? Should I install a 160 thermostat?

    2002 Camaro Z28

    Mods: PRC Stage 1 LS6 heads and 225/229 .580/.590 114+4 LSA Cam; LS2 timing chain




  2. #2
    Smiles for 9.5 Years cammed goat's Avatar
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    Looks normal to me. If you have a stock thermostat you should be at 180-190. Oil should be around 40 psi.

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    Quote Originally Posted by cammed goat View Post
    Looks normal to me. If you have a stock thermostat you should be at 180-190. Oil should be around 40 psi.
    Thanks I should be ordering a 160 within the next week. Don't like the temps that high at all lol

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    Smiles for 9.5 Years cammed goat's Avatar
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    With the mods you have, I am surprised you don't run a 160.

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    Quote Originally Posted by cammed goat View Post
    With the mods you have, I am surprised you don't run a 160.
    The mods were actually just finished last week

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    My 3800-II used to run there too. I moved to a 5w30 motor oil from 10w30 (factory) and see consistanly lower temps.. say 180-190ish..
    Your oil pressure looks normal..
    Last edited by Smittro; 03-15-2010 at 03:30 PM.
    :\Users\Steven\Pictures\d6ftg5nh.gif


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    That looks normal to me also... Did you do a before and after dyno by chance?


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    Perfectly normal. That temp gauge is horribly inaccurate. It basically reads, Cold/Warm/Hot.
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    Quote Originally Posted by gnomee View Post
    That looks normal to me also... Did you do a before and after dyno by chance?
    I need to have my injectors installed before I dyno and get a new tune. Should hit a dyno within the next couple of weeks.


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    Quote Originally Posted by cammed goat View Post
    With the mods you have, I am surprised you don't run a 160.

    It's not really efficient to run the engines too cool and in my view, 160 degree F is not too high - remember the system is pressurised so normal 212 Boiling Point is much higher under pressure.


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    Last edited by mmciau; 03-16-2010 at 01:55 AM. Reason: wrong number

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    Leave the 180 alone. Thats not the real temp. anyway you got a 2002.
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    Quote Originally Posted by PFM View Post
    Leave the 180 alone. Thats not the real temp. anyway you got a 2002.
    not 100% sure what you mean lol

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    When you get your tune, you can have them also change when your fans come on to work better with your 160 thermo.

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    your idle speed is high i dont have the mods you have but my idle is about 600

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    Quote Originally Posted by Hi-Po View Post
    Perfectly normal. That temp gauge is horribly inaccurate. It basically reads, Cold/Warm/Hot.
    1998 is the only year that the readings are accurate. They have the 3 wire connectors like the 97-98 vettes. 2002s read basically cold/warm/hot and only have a 2 wire connector. So your getting worried over nothing.

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    Quote Originally Posted by PFM View Post
    1998 is the only year that the readings are accurate. They have the 3 wire connectors like the 97-98 vettes. 2002s read basically cold/warm/hot and only have a 2 wire connector. So your getting worried over nothing.


    gotcha

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    Quote Originally Posted by twozs View Post
    your idle speed is high i dont have the mods you have but my idle is about 600
    its still needs to get retuned because right now my stock injectors are working over time lol

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    +2 (or whatever) on the factory temp gauge being a POS. Our car is equipped with a 180 degree thermostat and has reprogrammed fan settings. On my scanner, the engine temp will range from 183 to 195 depending upon load and speed. In contrast, the factory temp gauge always reads right around 205.

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    Factory temp gauge (1999 and newer) = Off (pointing to the left); On and running (straight up and down); OH SHIT IT'S GONNA BLOW! (self explanatory)

    Chevy did this in response to customer concerns over the temp needle moving back and forth in response to the thermal cycling of the coolant. Some fix, huh?

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