Yeah I was not impressed with it either. I did have a .484 lift mopar in a 318 and it worked great. I sent my .508 in to Bullet and they reground it as a solid.
Specs:
In 252 @ .050
Ex 253 @ .050
seperation 108
Lobe lift .344
Duration @ .020 281 In 284 Ex
.516 lift with 1.5 rockers
Lash @ .016
Have not ran it yet but I have it installed in a 11.1 340. Will run it come spring.