[Pyrotechnic]

The dual thermostats was done to allow a larger volume of water to flow, probably for the case of an over loaded dump truck driving around the job site at redline all day. The GMC V12 has three of them. The member here who's doing the v12 truck posted the water flow specs and the water pump moves a ton of water. It was probably easier to run multiple standard thermostats then try to design larger ones.
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