360 cam question...

UPDATE:

I pulled the head and found I am .060" over and not .030", like I was told. I measured my deck height at .062" in the hole and CC'd my 915 J heads at 74 cc's on one side and haven't done the other yet. My pistons, from the top side, look like speed pro's with 4 valve reliefs, which increases combustion volume by 10 cc's, according to Summit website. These measurements put my compression at a lowly 8.2:1. I am changing the valves to nailhead style, which will give me back 3 cc's, maybe. That makes almost 8.3:1. With this low compression I need to back down on my cam choice. I am now considering the XE268h that is a popular suggestion on FABO, as well as the Summit 1789 (272/.454 - 216/216 @ .050). I would estimate my port job on my heads as more than average. I am considering a 3000 stall now as well. Opinions?

Does that much overbore have any effect on cam choice?

Thanks!