My fans turn on when my water temp gets up a little over 190, they usually run for no more than a min and that bring my temp down almost 10 degrees. They sometimes run for longer when its one of those shitty hot days during the summer time down here in florida. As far as other cars OEM fans, my girl has a crappy 2005 eclipse and the fans on that this are loud as well. I think its just simply the design of blades and electric motors that are used.
You will probably want your fans to only run when your car starts to heat up like it does when you are sitting in traffic, having the fans on when your going down the highway doing 65 + mph does no good at all. My fans only run when ive been sitting in traffic for awhile or after I park they sometimes run for a few seconds. When I dialed in my control box I let me car sit in the drive way and when the temp got up where I wanted them to kick on I turned the dial till they finally came on and left it there ever since. Just my
