Can't keep Timing tape on balancer

I have tried with no paint as well. One thing I forgot to mention. I have been chasing a vibration between 1,100 and 1,500 RPM as well, could this be causing the tape to fly off?

I have a magnum 5.9 balancer, a magnum 5.9 flexplate and a neutral 318 converter. Is there something I'm missing? Could something else be causing the vibration?

Well if it's firing related that's 73-100Hz. If it's unbalance related that's 18-25 Hz, which would shake the crap out of the car. Is your damper getting hot to the touch on the outer diameter of it?

Like can you cool it down some and then run it for a few minutes and see if it's drastically hotter? It's possible your vibration is over working the damper and causing it to heat up. Long term this can cause the outer ring to separate and fly off.