Effective Dome Volume on a 360

It will work, run 87octane, it wont need more. After re reading, here's what's going on.... you're using a bridge and you're getting the center where the dish is... so of course it's .110.. but the perimeter of the dish or ledge is probably at least half of that, so the raised portion of the piston is about .055

8.1 comp
You can mill the heads to compensate and then youll be just fine.
Its .0048 per cc

Mine are flat tops. No valve reliefs and they are in the hole .115. I don't care. I'm sendin it. LOL That's how it was when it left the factory and that's how it's leavin my factory. **** man, it's a big block with a DP4B intake, mild cam and HP manifolds goin in a 64 Valiant with a manual transmission and 3.89 gears. It ain't got a chance of bein a dog. lol