does the damper needs to move alittle more or do i need a longer bolt it's a fluid damper on a 440 crank i have a inst tool maybe not using it right ( stock crank bolt)

6830814-DSC00576.JPG (165 downloads)
71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's