Just did it.
Bob: I just finished doing this. My approach was as follows: First I wanted to keep the original screw type head shackle. I cut it off and sent it to my line supplier. They spliced it into the new line. For the jib halyards I ordered new snap shackles with the line. I ordered 7/16" jib halyard made from solid color Sta-set. I ordered 1/2" Sta-set X for the main halyard. All of the halyards are 110' long. This may be little long but much better than short. When I wanted to re-feed the lines I sewed the bitter ends (end to end) of the lines together with waxed whipping twine and then wrapped them with rigging tape. Just feed them through carefully like you are raising your sails and it is done. The jib halyard is on an upper and a lower sheave. The upper one is the port and the lower is the starboard. There was a little friction going over the top on the lower (starboard) but no big deal. If I was doing again (and I'm not going to). I may consider going with a 7/16" main halyard from Sta-set line instead of the Sta-set X. The "x" has less streach but is quite a bit stiffer. I think that the Sta-set line and the smaller diameter will cause less friction and make hauling the main sail a bit easier. I would also recommend that you color code the lines as much as possible. This makes sailing with guests much easier. Most of them do not have a clue what a sheet, halyard, rope, line and maybe even a boat is. So being that most humans are visual, color coding makes giving instructions much easier. My color scheme is Port jib halyard is Solid Red, Starboard is solid Green. The main sheets ( traveler) is solid Blue. The main halyard is white with a Blue tracer. Still have a couple to replace but not doing anything else until I get my new Jib furler. So lets make this easier Port Jib Halyard 7/16" x 110' Starboard Jib Halyard 7/16" x 110' Main Halyard 1/2" x 110' Hope this helps.
