Stock LS2 Thermostat input please

Discussion in 'High Tech Retrofits' started by GDSmith, Mar 4, 2020.

  1. GDSmith

    GDSmith Veteran Member

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    hello all,
    Looking for input regarding thermostat selection for stock LS2. A lot of noise out there, looking for input based on your experience.
    Thanks in advance
     
  2. badazz81z28

    badazz81z28 Veteran Member

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    My input, there is too much input for such a small decision. Just go to Autozone and buy a stock replacement. Why is it more complicated than that?
     
  3. ErikNORCAL

    ErikNORCAL Veteran Member

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    If I remember correctly, the factory temp settings are pretty high on the LS2, at least the fan activation temps.
     
  4. badazz81z28

    badazz81z28 Veteran Member

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    Stock is like 195. If you decide to swap it out for a 180 or even a 160, you'll need to change the fan temp setting too.
     
  5. CorkyE

    CorkyE Veteran Member Lifetime Gold Member

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  6. ErikNORCAL

    ErikNORCAL Veteran Member

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    Pretty sure stock Tstat is 186F. Having run a 2005 Ls2 drivetrain, The factory fan activation settings were up there, especially the high.
     

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