I don't think it helped much. I'm going to try a different solution. I haven't tried it yet, but the link that Knxwledge provided looks really promising.
https://www.arrmaforum.com/threads/help-me-upgrade-my-senton-3s-for-sand.20322/post-297587
The foam tape is still very useful to stuff the bumper springs and provide cushion on the top of the rear shock mount.
I never had a chance to do it as I had my granite in the shop for some upgrades, so I guess I'll just leave it as is for now.