Thanks for the help, gang! Mike, I appreciate the offer, but shipping the brakes will cost almost as much as buying one pair. I need around 80 mm reach. The only calipers I have seen that offer that much are Tektro 984 which go 70-90. The older Shimano long reach only seem to be 47-57 mm.

Mike, you may have something on the uneven pressure idea. I may pursue that. The current cable setup is link-unit type. I may change it to the old straddle wire type setup. Thoughts on this?
Regards,
Raymond