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Thread: Thermostats

  1. #1
    Join Date
    Oct 2003
    Location
    NYC/NJ
    Posts
    50

    Thermostats

    Greetings to all. I've been following this site for some time now, got some really good tips and finally decided to join. I hope to be meeting some of you soon, until then, SuperC-ya in the forums!

    I do have a question though!

    What's the difference between 160 and 180 degree stats? Which is best. Can anyone recommend the best brand.

    Also, any info. on the difference between K&N and Green Filter air filters?

    Thanx!


    -WuanTon

  2. #2
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,898
    The 160 is fully open 20 degrees sooner than a 180 thermostat. I would suggest the 180, because in the winter you may be running too cold with the 160.

    In order for you gain any cooling performance from the lower temp thermostat, you will also have to get your fan to turn on a lower temp. This can be done with a custom chip, or by wiring in a adjustable thermostatic controller.

    However, if your cooling system is not able to maintain normal operating temp, the thermostat and lower fan settings won't help.

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  3. #3
    Join Date
    Oct 2003
    Location
    NYC/NJ
    Posts
    50
    Where can I find an adjustable Thermostatic controller?
    Or a low temp fan switch?

  4. #4
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,898
    You can buy a generic adjustable fan controller at most auto parts stores. They are commonly used when adding an electric fan to an older car that was originally equipped with a belt driven fan.

    To control the low speed fan only, you simply locate wire #14 on the ICRM (behind passenger headlight) and wire the controller to break the circut to turn the fan on and close the circut to turn it off. I have two controllers and a pair of relays wired to controll both the high and low speed fan. A simple toggle switch can also be used for the low speed fan.

    Here is a link to the wiring diagram that Dave Dalke drew. BTW, It works great.

    http://members.tccoa.com/dneibert/fan%20relays.jpg

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  5. #5
    Join Date
    Oct 2003
    Location
    NYC/NJ
    Posts
    50
    Awesome! Thanx!

    Any words on the air filters?

  6. #6
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,898
    The stock filter is fine. You will gain more power by removing the air silencer (about 3 hp) than switching to a K&N panel filter (about 1 hp).

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  7. #7
    Join Date
    Oct 2003
    Location
    NYC/NJ
    Posts
    50
    Already removed the silencer. Thanxs for your help!

  8. #8
    Join Date
    Jun 2002
    Location
    SCCoA Member#1257
    Posts
    3,278
    I would suggest going with the robert shaw 180* thermostat. The bigger opening allows for more coolant flo which = better cooling. Also, while reading about 160* thermostats, i read that using those might keep the eec in 'open loop' and not allow things like your O2 sensors to work properly which results in less than optimum engine performance. I had a 160* on the 94 and just switched to the robert shaw 180* and it rides much cooler.
    Current: 1993 SC 5.0L Auto Red, 1994 SC 5-speed Teal, 1995 SC 5-speed Chameleon Blue
    Old: 89 SC auto Twilight Blue, 89 SC stick Titanium, 90 35th stick, 92 Sport 5.0L stick, 94 SC stick Black, 1994 SC Auto Teal
    Also: 1992 Feature Mustang Convertible 5-speed Vibrant Red, 1991 BMW 850i 6-speed Red, 1994 BMW 850CSi 6-speed Red

    www.mamn12.com for your mid-atlantic mn12 needs!

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