Originally Posted by
oldrcr
Actually when you change springs or adjust them you should use the scales as well. Also a hard crash can cause the car to tweak, so thats also a good time to use them to help get it running true. So not really just for initial installation of equipment.
-a

You have good point there for those but I bring my tweak board to the track just for that. I still might get this scale system but I will let others do the beta testing.