Quote Originally Posted by Cobras 98 Prix View Post
I run a 180 during the summer months, and put the 195 back in during the winter. My temp gauge does read cooler with the 180 tstat. I do it because of running the a/c during the summer to try and keep the engine cooler. Vice versa for the winter, the heater blows hot air sooner with the 195 tstat which allows the engine to heat up faster. Not a big deal to swap them, more of a peace of mind thing than anything.
How? Youll have heat with a 180 in the winter just as quickly.