I would "probably" go up 1-2 size mains and if you cant do it by feel do a proper plug chop for your mains. Better safe to start a bit rich then being lean. http://www.dfn.com/benkaren/plugchop.html
"Might" have to richen your needle position also. But for both, you will have to see how it is and let us know what it ends up liking, as they all respond a lil diff sometimes.