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stupid question

This is a discussion on stupid question within the External Engine forums, part of the LSx Technical Help Section category; What exactly does a bigger thermostat do to improve your car? When is one needed? Sorry if that's a dumb ...

  1. #1
    Junior Member
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    Red; 58,000 org. miles
    1999 Camaro Z28, M6....

    stupid question

    What exactly does a bigger thermostat do to improve your car? When is one needed? Sorry if that's a dumb question, but....

  2. #2
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    There's different opening temps for stats and people usually get lower stats like 180* or 160*. I'm not sure what you mean by bigger but i'm assuming you mean the different temps.

    Putting a lower temp stat in will lower the motors operating temp as long as you adjust the fans to match it. If you go too cool then you'll never hit closed loop...not a good thing.

    IMO lowering the motor temp to those degrees lowers fuel efficiency and doesn't necessarily mean more hp. You might see a few ponies due to less heat soak...but what you really want to do is keep the intake air charge as cool as possible...cold air is dense air and equals more power.

  3. #3
    Junior Member
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    Red; 58,000 org. miles
    1999 Camaro Z28, M6....

    Nice.....thanks for the explanation...still trying to figure things out, ya know?!

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