Bracing shock towers?

here's something i did, i jack the hotrod up and put it on 2 jack stands just in front on the trans x-member. i could see that the front on the car would settle an inch or so after the car had it's full weight on the stands, also when i would lift the car back up to get it off the stands the front would move up the same mount befor it would clear the stands. very interesting indeed.