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Has anyone tried TRD thermostat ?

Discussion in '80-Series Tech' started by sjcruiser, Dec 2, 2003.

  1. sjcruiser

    sjcruiser

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    Hello all,

    Anyone ? The opening temperature is quite low comparing to stock (160F vs 190F). I'd like mine to run cooler but not sure (hidden disadvantages) to make the switch.

    TIA,
    Frank.
     
  2. cruiserdan

    cruiserdan SupportingVendor Emeritus Moderator

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    I have one, they are very spendy ($74.41) and I wouldn't bother with one unless you have a forced-induction motor.



    D-
     
  3. sjcruiser

    sjcruiser

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    Dan,

    My temp. gauge needle is dead horizontal at operating temperature, which is more than half of the safe zone. If others have the same than I wouldn't worry.

    Regards,
    Frank.
     
  4. Photoman

    Photoman SILVER Star

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    Frank,
    I also have one in, but have a SC. My engine runs at about 185F with the 160F thermostat going down a level highway at about 65-70 MPH.
    The only disadvantages that I would know of are if you were in a cold climate (and I see you are not) the heater would not make much heat. Also, more importantly, I think engines are designed to run at higher temps than 160F, so there might be longevity problems.
    If you do a search here and the SOR stuff you will find discussions on the stock temp gauge and it's rather odd way of working.
    Bill
     
  5. tetradymite

    tetradymite

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  6. sjcruiser

    sjcruiser

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    [quote author=Photoman link=board=2;threadid=8311;start=msg70305#msg70305 date=1070405534]
    Frank,
    <SNIP>
    The only disadvantages that I would know of are if you were in a cold climate (and I see you are not) the heater would not make much heat. Also, more importantly, I think engines are designed to run at higher temps than 160F, so there might be longevity problems.
    <SNIP>
    Bill
    [/quote]

    Bill,

    Exactly what I was thinking of...

    Again, Thanks all for your inputs!
    Frank.
     
  7. sleeoffroad

    sleeoffroad Supporting Vendor

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    I think TRD was chacing their tails on that one. Trucks that has the SC and overheats have other issues. Not sure how a lower temp thermostat is going to change that.
     
  8. cruiserdan

    cruiserdan SupportingVendor Emeritus Moderator

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    Christo,

    The thermostat in question is actually intended for the 4.7 V8 and it just so happens that it will also go into a 1FZ.

    Agreed, there is more to it than the temperature at which the thermostat opens.


    D-
     
  9. i4c4lo

    i4c4lo

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    I know that the 4.7 V8 s/c kit comes with a lower temperature thermostat and the directions specifically say that you have to change it.

    Amando
     
  10. Landpimp

    Landpimp

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    also if I'm correct(and I know it fits every other Cruiser made) you can use a 2f 180 deg T-stat in the fzj, t-stat would be for a early 2F motor. Part number is 90916-03014, $20.

    won't sware it fits the 93-97 but I think it does.

    John H
     
  11. drexx

    drexx

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    06Dec2003 (UTC -8)

    [quote author=i4c4lo link=board=2;threadid=8311;start=msg70577#msg70577 date=1070451260]
    I know that the 4.7 V8 s/c kit comes with a lower temperature thermostat and the directions specifically say that you have to change it.

    [/quote]

    What?! Doggone it. I just bought one off EBay a couple of hours ago. $46 + shipping. What else did it come with, colder spark plugs? (I think the Tundra package did.)
     
  12. teutonik

    teutonik

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    FWIW, I have a 93 LC with TRD SC that I use to tow a 5,000 lb enclosed Featherlite trailer and classic car and have had no trouble with overheating with stock thermo. Needle remains horizontal even in summer towing up grade.