I needed to replace my main halyard, and opted for a Sta-Set-X all ropehalyard. With the mast down, I got a good look at the sheaves for themain & jib halyard. The "groove" around the sheave looks to be narrowas if intended for a wire to sit in.1. Am I going to significantly shorten the life of an all-rope halyardrunning it in this narrow groove?2. Has anybody done this with positive or negative results?3. If yes to #1 and/or had negative results on #2, would it be easier(read less expensive) to replace the sheaves at the top o' the mast orto replace with a rope-to-wire halyard?Your input would be greatly appreciated. Thanks.