Better acceleration?

Well I didn't say what I did, to take away from the OP and his project, as much as a real world "how my build went" to (maybe) give him an idea what to expect.
Or what to stay away from, as the case might be.
I still do have thoughts of adding a home brew turbo "just because".
I have my engine in and running/ but have yet to drive it but compared to "before" I don't see any way it could be worse than what I started with.
As things have it, some parts found me that I wasn't looking for, and now my build is changing, I am doing what I said I wouldn't, to a point. I've grown tired of the BS about "dump the 727 and (in my opinion/experience) downgrade to a 904". Well the 727 is coming out but the truck is growing a 3rd pedal. Yeah my /6 is in a D150. That will never see a dragstrip. Not an A body. So my needs, expectations certainly may not be your expectations out of your engine.
I was hoping that with all the block deck and head face machining would have gotten me closer to 9:1 CR, it's definitely much better than it ever could have been if I would have just been happy with "just shave it enough to square up the gasket surfaces". When he told me he was "done" and my stuff was ready to go pick up, I asked about the machining of the block, and he said "it only took 6-thou to clean up". Well I had told him from the get go that I wanted at least 30 taken off so he had to put it back into the mill and shave it again.....
And the same guy who twisted my arm and convinced me to take the 8330 OD off his hands, also has said on here more than once that many "stock replacement" pistons are intentionally made"short" to make up for the chance that the CR might just increase slightly because of an overbore, when in actuality that difference would be quite slight to begin with.

My question becomes with the comments above about deck height being commonly "findable" info for a machine shop, and Chrysler engines being so notorious for action CR coming up way short of "advertised" where the tolerance stack up becomes?
Is the deck taller than spec? Are stock original pistons shorter than spec? Is the head chamber oversized compared to what is called for?