I second the rodinal recommendation and if you really want more grain (and contrast) try overexposing and overdeveloping. You get fairly dense negatives but if you extend printing time you can pull the detail from them.(posted 8171 days ago)see:
http://www.photo.net/photodb/photo?topic_id=1481&msg_id=00 27qn&photo_id=677601&photo_sel_index=0
for an experiment using this technique