Hang in 0.484 lift at the valve and duration in the 230's @ 50 and you made 735 HP??? That's less cam than a 472 crate engine and it only makes 525HP.. Something doesn't sound right here. Let me draw your attention to this article here. http://www.popularhotrodding.com/enginemasters/articles/bigblockshootout/0506em_hemi/
What flow numbers were your heads making at 0.500?