Yes, use the "Right Stuff".
No, do not use the cork end seals. Just run a thick bead of "TRS" front and back. Preassemble dry first to get an idea of the gap to determin how thick this bead needs to be.
RE: intake sealant, here's a site the shows how to apply it. http://webrodder.com/article.php?AID=260&SID=11&CID=
RE: distributor leaks. Install a fresh O-Ring then use the dizzy to help locate the manifold as you assemble it to the block to make sure everything is true. Being "off a hair" is all it takes to make it leak.
Hope this helps.
