Ended up going with the 224r cam kit from tsp with ls7 lifters and ordered a couple sizes of pushrods. Thanks for all of the input guys, I'll let you know how the install goes next week.
got any hp estimates on that motor
2004 Silverado 1500 4wd-LS3/480hp-gm crate, built 4l65e-mad dog, 3200 stall-fti, cai-slp, Long Tubes-pacesetter, custom dual 3in w/x-pipe, hptuners. Daily Driven