Thanks vlad_d. Thought about buying a complete brake line kit from the UK. RN doesn't stock the kit for my 83. Then the issue of fitting sizes and thread came up and with the new MC and shuttle valve ( and not knowing the size and thread) I may just use the old fittings and flare new pipes. I did check the wheel bearings and they looked good.
Saturday morning I went for a short drive - after correcting the plumbing from the MC to the direct-to-wheels line fittings ( shuttle valve has been removed for the time being). Still had a fairly decent pedal. When I got home I checked the temperature at each wheel. Three were warm as one would expect. The 4th ( right rear ) was hot. Jacked it up - checked adjustment of the shoes - pulled the drum ( came off easily) - inspected the shoes and was surprised by what I found. The rear shoe had horizontal ribbing - see photo. They ridges are not high but one can still feel them when rubbing finger across the shoe. The front shoe was smooth. I cannot come up with a plausible cause and cure for this finding. Anyone got any ideas?
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