That cam looks pretty close to what Herb McCandless used in a pump-gas low-deck 499 back in the mid 1990s that ran high 9s at 3700#s: 276/281 at .050", 110 LSA on 106 ICL, .700+" with 1.7 rockers. You've got a few more cubes and at least a full point higher CR, as I recall, too.