Ryzen 5 3600x is running at 4.2ghz 1.4v at max 66°C at 100% utilisation

Running Corsair hydro h100i 240mm aio

I've pushed a pbo overclock but it's done nothing to my thermals so should I overvolt now to see if I won in the silicon department

Btw idm if the chip blows it'll give me a reason to buy a 5700x3d