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SLP 160' Thermostat

This is a discussion on SLP 160' Thermostat within the External Engine forums, part of the LSx Technical Help Section category; ...

  1. #21
    Visualize°Design°Create SSwt00SS's Avatar
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    Quote Originally Posted by johnny_b View Post
    if you're moving it will run at whatever the thermostat is set at.

    the ls1 might not be bothered by 190-200 degree temps, but you must realize it is there for emissions purposes only. not because the motor runs better (power wise) there.

    i believe 160 is on the verge of being too low.

    my concern with having a thermo and fan set at different temps, would be having the thermo open at 160 and i wonder if the fans would even be able to stop it from overheating because they need the thermo to be closed at some point to let the coolant stay in the rad long enough to be cooled.

    the TPI vettes had i think it was 235-240 degree thermos in them... too pass emissions...

    THANK YOU...

    someone else finally understands why running a 160° thermostat is not necessary, and in some cases, does the complete opposite of what some people think it should do...

  2. #22
    LTX N20LT4's Avatar
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    I've had a 160 stat on every last F-body i've owned and they pose absolutely NO PROBLEM. The only concern some people have is getting up to proper operating temps in the cold winter, and a slight decrease in gas mileage. Other than that it's a proven mod that WILL free up power by dropping temps.

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    Quote Originally Posted by N20LT4 View Post
    I've had a 160 stat on every last F-body i've owned and they pose absolutely NO PROBLEM. The only concern some people have is getting up to proper operating temps in the cold winter, and a slight decrease in gas mileage. Other than that it's a proven mod that WILL free up power by dropping temps.
    like i said, my only concern was if it will overheat at idle with a 160 thermo and 220 fan switch

  4. #24
    Member 6sw00's Avatar
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    there is no problem with this mod at all.. a 160 degree stat, wont even keep ur engine at that anyway. its still gunna run at least 180. and i think that is perfect. do the mod and enjoy it. cant wait to get mine done. i just have a problem right now with my coolant. i checked it and the stick was barely touched when the engine was cold. i added some and it was fine. didnt hear any noise. i checked it again today and it is back to where it was last time.. i hear a strange noise at start up and while idleing. anybody kno about that??

  5. #25
    Senior Member INMY01TA's Avatar
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    Just put a 160 stat in my car with a new cam and tune. Not sure if it's due to the thermo or the tune (prolly a colaboration of both) but no more part throttle pinging. I'm happy.

  6. #26
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    Quote Originally Posted by johnny_b View Post
    if you're moving it will run at whatever the thermostat is set at.

    the ls1 might not be bothered by 190-200 degree temps, but you must realize it is there for emissions purposes only. not because the motor runs better (power wise) there.

    i believe 160 is on the verge of being too low.

    my concern with having a thermo and fan set at different temps, would be having the thermo open at 160 and i wonder if the fans would even be able to stop it from overheating because they need the thermo to be closed at some point to let the coolant stay in the rad long enough to be cooled.

    the TPI vettes had i think it was 235-240 degree thermos in them... too pass emissions...

    If you live in a place where you only get scanned for emissions temp wont matter as long as you dont show a code. Once the thermostat opens its stays open. a higher one wont help cooling.... you dont get a 160 thermo to reach 160 you get it for eariler opening and the ability to tune to run cooler temps. Wont work with a 180 because you need to set the fans to come on before 180 to keep the car in the 185 to 190 range.

    I love all the random shit people think of.. If your motors running its going to put off enough heat to keep the thermostat open and run around 185 no matter how cold it is.

  7. #27
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    Thumbs up Whatever...

    When my stock thermo was in, my gauge always read to the RH side of the hash mark or around 210+/-, now it NEVER reads past the hash mark always before on the LEFT side around 180+/- but I am sure these gauges are'nt accurate but it still reads lower in any case all the time.
    FWIW.

  8. #28
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    Quote Originally Posted by SStriker View Post
    If you live in a place where you only get scanned for emissions temp wont matter as long as you dont show a code. Once the thermostat opens its stays open. a higher one wont help cooling.... you dont get a 160 thermo to reach 160 you get it for eariler opening and the ability to tune to run cooler temps. Wont work with a 180 because you need to set the fans to come on before 180 to keep the car in the 185 to 190 range.

    I love all the random shit people think of.. If your motors running its going to put off enough heat to keep the thermostat open and run around 185 no matter how cold it is.
    ...if your radiators are capable of cooling enough, it should run at what the thermostat is set at while moving.

    i think you need a fundamental understanding on how cooling systems work to post in this thread. your thermostat is constantly opening and closing, your coolant needs to sit in the radiator to be cooled in almost all situations.

    and you're wrong... its cold enough in some places to where an engine will never warm up to its normal operating temp.

  9. #29
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    Our Stock Radiators are not capable of cooling that efficiently...

  10. #30
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    Quote Originally Posted by SStriker View Post
    Our Stock Radiators are not capable of cooling that efficiently...


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