I hated those tires for the longest time. I tried them on my Corvette and was in the same boat as you. If I tried to leave aggressively with them I would spin all the way through first gear.
I put some on the Buick hoping for better results. At first, I was still experiencing the same problems. Leave with more than 1 or 2 PSI and they spun until after the 1-2 shift.
What finally got them start working for me was a super burn out with them. Normally, I back into the water, pull out of the water a tad, spin until I see smoke in both rear view mirrors, let off the brake and floor it for a second or 2 while I spin away from the water box. With the MT drag radials, if I spin them until I see smoke in both side view mirrors, then mentally count to 5 while still smoking them, they hook like a champ.
Anyway, that's my 'around the world' style of asking you if you are doing a big burnout. That is what helped me get them to hook. I've been cutting low 1.7's with them since I started doing that. I can dead hook it on all the boost the brakes will hold (about 8 PSI).