anybody ever use a lunati 240/250 @050 520/547 cam, mine is going to be in a 440 with sixpack pistons, 452 heads rpm manifold 750 dbl pump holley, msd ignition,13/4 headers..vehicle is a 4000 pound b-body with 3500 stall & 4.56 gears,just wondering if anybody has any expierence with this cam...thx