Where would you spend $$$...new CPU or a GPU water block?

[nhc150]

@BegottenPoet228

This is after 30 minutes with Live weather flying over mountains at 11,000 ft. in my Bonanza (2D @ 1440P.) Your analysis is welcomed.
Rear exhaust fan air temp is 36°C

This all looks fine to me. I don’t think you need to worry.