Slack in new timing chain

RustyRatRod said

Even if the block was line bored and or honed, if done correctly, it will hardly move the crank at ALL. A good machinist will remove more off the main caps than the block. When we did them, we always barely skinned the main saddles in the block...and I mean BARELY. You simple remove material from the main caps, reinstall them and line hone it more toward the caps. At least that's how it's supposed to be done.

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That makes sense it should be done that way, and I'm sure it was done right, the shop that did the work has a really good reputation. My uncle and grandpa have gone there multiple times for block work. Could the chain just be slightly larger than it should be? Or I could be worrying for nothing, because isn't there supposed to be some slack? I will try and post a picture or something of the slack. Would it be best to replace the chain with a tighter one? It's only for a street engine after all, won't see high revs often either.