Engine runs hot under caution. ?= racing water pump.
Heat
Could be the wrong pully set up or if your radiator has been hot one to many times that the tubs are half closed so it isn’t getting a very good flow
heat
always ran same pulley set , new rad., always ran stock pump. does racing pump have less veins .
Not answers per se, but related info:
Re: Flowcooler water pumps–
>>Mostly seemed to have a flat plate riveted to the vanes.
>>Did nothing very noticeable.
Re: “Water Wetter”
>>Also did nothing very noticeable.