Auto-Doc Rodeo

Auto-Doc Rodeo is a quest in Fallout 2.

Walkthrough
Having Intelligence 3 and Luck 9 or 10 or 2 or 1 will grant you reward, depending on your Luck.

Go to the Auto-Doc in Vault City courtyard and select the option to "ride". To get another rank, ride it again.

Rewards
Autodoc Raised Hit Points (II) or Autodoc Lowered Hit Points (II)