69 Cuda 440 said A-Body-Bomber, A better example. Jack Werst's 1965 Plymouth Super/Stock Back-in-the-Day, I had a chance to 'peak' under the car, and see the 'shim-plates'. Jack Werst, said 'Pre-Load' makes the car launch forward better instead of 'lifting' all the way up. [URL="http://classracer.com/classforum/picture.php?albumid=579&pictureid=5108"][URL="http://classracer.com/classforum/picture.php?albumid=579&pictureid=5108"][/URL][/URL] Click to expand...