For a 2004 GT2
I would like to change the stock settings for the cooling fans to bring them in line with where the t-stat opens and closes, im thinking ~200 degrees. I know the tuning programs like hptuners, and chips can do this. Is there any other way to do it? Is there a tool that regular shops have that can make changes in the computer? Can a GM dealer with a service department do this? What is a reasonable price to pay for this?
Thanks.