Mohavemopars

New member.....My 68 Barracuda 408 currently runs 10.90 / 122 in Vegas, 1.48 /60 ft, with a 4.88 gear and 28 inch M/T slicks. 4k stall and TB. The rear has SS springs and I'm thinking about going to a Cal tracs system. Does anyone have any good or bad history on this.