yes they shouldn't be lubed, stiffer is better to handle that spring torque and tension - maybe dust a little of that fine Georgia dirt in'em? peening the pins might help if done evenly to both sides
"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
peening the pins might help if done evenly to both sides