I had the same problem, but worse is that with Dave's kit the bracket that holds the cable is short and the cable rests on the upper control arm as it did on my car and I saw this on many other cars. You can only slightly adjust the position to minimize that problem. I spoke to Dave about this way back when I did the install and requested that he send me blank brackets and I dirlled my own holes to raise the cable up off that control arm and good thing I did cause the cable started to wear through slightly.
But this has nothing to do with the travel of the handle in the car. The ony way I thought of solving this problem, and I know it would work, would be to rig up a pully system such that the existing cables from each side get reconfigured. The end result would be less excursion of the cable, less travel of the handle which we all want, but more force to pull the handle up. the force wouldn't be that great.
But when I took off my center console to see about starting to rig this up, WOW, what a job. I forgot about it until maybe this winter I might check it out again.
I strongly suggest that you guys check where that cable is resting and make sure it is not wearing through on that upper control arm