A slow overheat will always make me look to HEX and any other cooler. It’s no unheard of to need to clean them again after three years (depending on where you are). I might start with a Barnacle Buster flush first and see where that leaves you, but start preparing to pull stuff none the less.
The following 1 user Likes MC1600's post:1 user Likes MC1600's post kahunamax (08-24-2022)