Some useful info for those of you interested in converting a cartridge pen into a tank o' ink, aka EyeDropper.
For those of you who prefer written instructions here you go:
Platinum Preppy- discusses where and how to get the grease AND syringes
(If you live in certain states you cannot get true syringes on Amazon. I found one for 20 cents and free shipping. I also ordered my silicone grease on amazon.)