It is for freezing potential as well as better emission ratings. I have always used 160 degree thermostats in my street rods. The newer engines run a 190 degree t-stat. The hotter the engine is the more emissions it burns off. There fore I have a 160 t-stat and coolant bypass. I live in the Houston area winter here is about 28 degrees over a 3 hour period for 1 night.
Black H2 Adventure Series+ all other options.
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Black H2 Adventure Series + Luxury, AirForce One intake, Throttle Body Bypass, Gobi Rack w/2\" Brackets & 4 PIAA 580 Lights, Xenarc HID, Alcoa Wheels, Goodyear 37x12.50x17 MT/R, Warn 9.5Ti Thermometric Winch, DiabloSport programmer,160 Degree T-Stat, B&B Headers and full dual exhaust by B&B as well, ARB fridge/freezer, Full Audio upgrade.
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