I had SS springs on my heap for about 20 years. They were shot and needed replacing, so I went with the XHD springs and Cal-Tracs. It totally fixed my inconsistent 60’ times, but I was pretty surprised at, A- how hard the ride was, and B- how much noise there was.
Glad to hear you’re out putting on some miles on it.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads