I have no hard data either, but Wilsons suggested i remove the cloverleaf and put a 4 hole tapered spacer on top so i did. With a couple other improvements i did pick up 3.5 tenths and 3.5mph next time out.

Last edited by mopar dave; 03/17/21 08:34 AM.
http://www.youtube.com/watch?v=aIxaesJ190U

http://youtu.be/lCZAaN7fFLg