some info: Take more hits in BO2 Zombies: survive about 10 normal hits without Juggernog and about 15 with Juggernog. Your boosted health returns after a revive. Hit counts may vary by map and damage type.

INSTALL:
THIS AS A LOOSE ZOMBIES SCRIPT, NOT AS A MOD FOLDER.

Press Win+R.
Paste this path and press Enter:
%localappdata%\Plutonium\storage\t6\scripts\zm
Create the zm folder if it does not exist.
Copy zm_10_hit_health.gsc into that folder.
start Plutonium and host a Zombies custom game.
Without Juggernog, health is 601 (about 10 normal hits). With Juggernog, health is 901 (about 15 normal hits). The next normal hit can down you. Damage varies by map and game state.
Do not put this file in storage\t6\mods\10-hit-zombies. Remove zm_10_hit_health.gsc from scripts\zm to uninstall.