Originally Posted by
funkstuf
The one point that seemed salient was that different radiators cool at different rates, and therefore, without monitoring the actual temperature of the fluid leaving the engine, there is some risk that the engine temp might get too hot if one is monitoring the fluid after it's been cooled. Having the otterstat at the point where it leaves the engine appears to be a safer solution if nothing else, because it's reflective of the engine temp. I still contend, that regardless of where the otterstat sits, it will take the same amount of fan time to cool the engine 20 degrees....