Nice country you have been camping in. I have shock info posted in my build threads if you are still looking. Before taking the drums to get turned, check to make sure the brakes on the warm side are not dragging because of sticky parking brake cable. You can adjust the lever and the shoes themselves.
Brake shoe info
https://www.steelsoldiers.com/showthread.php?44524-M101A2-A3-Brake-Shoes-amp-bearings
Brake shoe info
https://www.steelsoldiers.com/showthread.php?44524-M101A2-A3-Brake-Shoes-amp-bearings