how much nos will kb-107 safely take

Hello all....forum still awesome and great to be back!..

I have freshly machined, balanced, resized 360 w the rhs heads and healthy cam....kb-107 pistons...its ready to paint and put in. HOW MUCH HAS BEEN SAFELY SQUEEZED W THESE PISTONS?

Ive heard from non mopar racers my new hyper pistons wont hold up and will melt with the juice. I want to be reasonable on shot size so ive pulled jetting for nos down to 75 shot on my current running engine.

Im experimenting with my current running motor in the 73 dart. Current 360 wich has big cam, exhaust j heads n 456 gears, 727. This is the motor my car came with. It seams to take up to 140 shot no prob but internals are unknown. Very cool motor just oil press falls from 45psi to nada once used and warmed up at idle.

Thnx!