Get Oodles of Stim Packs in Fallout 3

First of all this is not a cheat its more of a Fallout 3 walkthrough

First you will need to head find Fort Independence. Once your there you will need to talk to a brotherhood outcast called Morgan. You will not miss her as she keeps shouting to keep your head down. All of a sudden action will start, you have to kill 2 raiders. When you have vanquished the raiders go an talk to Morgan and ask every question. You will be asked to become there scavenger, accept this. If you facing the bridge turn around and you will see a wire fence an a gate should now open. Walk though the gate and a guy named Protector Casdin will ask a few questions. Talk to him and give him all the energy weapons, Power armour and alien blasters that you have, just don’t give him any that you are using. Once you are there, he will trade with you for r .556 ammo, frag grenades, or stim packs.