You guys may have done this but I can show what I do with my clutches to get more resistant and tighter feel. I cut off the end of a spring shackle and weld to the outside of the clutch arm joint. Hole is already there in the frame for the spring. I am using 2 clutch springs.
~ BD. "You won't find me in an old folks home" Pioneer Florida Cracker 1958 Apache Stepside 1958 Apache 1/2 ton Panel 1959 Apache 1/2 ton Panel