will it hurt. whats your opinion

Which if so won't be enough to mean much besides making up for the thicker than oe head gasket. People go 0.100 each on head and block with the/6. I went 0.100total between head+block and penciled out exactly at the blueprint spes.
Then again I never saw anything to say whether he's doing a 170 or a 225. If170 it'll be closer to zero deck as is than if it's a 225