Leave the fans right there. Just make sure the fans are not running all the time. Air moving over the radiator at highway speeds should keep them off. Not all thermostats open at indicated temps. Your 180 might maintain a 180 or a 185. Drive it and monitor ect and fans. See what you have. You can alway add +5* if you choose..
2015 Z06 A8
Yeah there can be alot of variance in thermostats. I have a 160F (71c) in my car that never maintains ECT that low. Best case in low ambient conditions @ highway speeds it will regulate to 170F (77c). Worst case peak I see is ~185F (85c) in 45c ambient conditions. I set my Fan speeds around the Thermostat years ago by driving at 100km/h to see where ECT sat with the Fans forced off and added a few degrees. I'd have to pull up my tune but IIRC I have Fan1 on @ 82c off @ 80c. Fan 2 on @ 85c off @ 82c.
Good read everyone, Id like to put a 180* tstat in my TBSS in the future and I was considering a 160* one until I read this. Its my DD in the NW so I need it to warm up quickly in the winter, but would like the power output of the cooler tstat.
~Erik~
2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.
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