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  #1  
Old 11-29-2009, 10:53 PM
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Default Problems after installing new thermostat!!!

I performed a TSB today where i replaced the Intake gasket to fix the spark knock, It worked. But i decided to replace the thermostat from 195 to 180 cause i herd a lower temp would be better than the 195. So i put the 180 in and now its running really cool, just above the 130 mark!!! Is this bad or whats the deal, i dont know if anybody else has done the swap and if this is normal or what!!!! Also the heat is no where near as warm as it used to be.

FYI, The mods i have done are, Superchips 3815 (91 tune with 91 gas), Accel cap and rotor, Magnaflow high flow cat, and flowmaster super 44 dual exhaust.
ANY HELP WOULD BE GREAT!!!!!
(i might even just go back to the 195 Therm. if i cant figure it out)
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Old 11-29-2009, 11:18 PM
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It sounds like you have a defective thermostat and it has failed open.

It gets pretty cold in Missouri to be runnin' a 180 Tstat in the winter. I'd go back to the 195 for winter and break out a 180 for summer.
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Old 11-29-2009, 11:45 PM
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Thats a bad Therm, need to get a replacement. I ran a 160 therm last winter in my DD and it sucked! The heat felt like someone was peeing on my leg, wouldn't defrost. I would put the 195 back in for the winter...
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Old 11-30-2009, 03:01 AM
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Agreed, higher therm for winter just so you can have a toasty interior and defrost your windshield and electronics but as everyone else has said, it's probably a bad therm if it's running that low. I've seen how they're made and if any of the wax leaks, then it's useless since it won't put enough pressure on the pin to open the seal.
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  #5  
Old 12-01-2009, 09:07 PM
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Well just an FYI i went ahead and pulled the T-stat out and put a 195 back in it, and the problem was it was stuck open. But its a good thing i did because come to find out BOTH my upper rad hose and my bypass hose had small holes in them so i replaced them also. Thanks for your help guys... THIS IS WHY I LOVE THIS FORUM!!!!!
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