I’d say it’s at least 50% shorter throws, maybe a bit more.
As far as the acuity adapter, you’re probably fine if you used a good inch-lb. torque wrench. I used a cheap wrench, and I think the torque may have been off since a screw fell out only on one side. I also have much more vibration...
I am currently running this exact setup, except I have Hybrid Racing cable bushings. Shift quality is amazing, just don’t forget to put blue loctite on all the threads. I had my Acuity short shift adapter come loose a couple months after install, even after torquing to spec. They claimed no...