books state the neoprene seal won't fit the rope blocks properly, but whada they know? some folks say they do it and it works - I've always used the rope in blocks meant for that, and had good luck
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics