Hotchkis spring installation....

Got 'em installed a little while ago. Finally been able to drive it. I noticed some "shackle clap" on acceleration and braking... The spring shackles hit the frame boxes on the rear of the car...I used the stock front spring mounts, I do have aftermarket adjustable shackles but the number 1 adjustment should be the stock shackle position, which is where I would like to keep it. Any one have this problem with these springs?

You see in these pics my shackles angle towards the rear of the car at ride height, they should be straight up and down at ride heaight...

Steve, Autoxcuda, where you at??