Just make sure that the oreilly controller will handle the load of the fans.
My car still gets hot sometimes. I have giant fans, giant radiator, and a new water pump. Wonder if my t stat is bad too?
Possibly. I can say I'll likely have to rethink my stat choice. The 180 with the 3 core rad, dual fans runs about 170 without the ac. I've not driven it with the ac on but imagine it might creep up to 180 at the most. Seems I overkilled my cooling system.