Getting started bringing my truck back to life.

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Hey everyone. I now own a 72 chevy custom deluxe.
I'm super excited about ownership and the task of making this truck my own.
It's a 350, now with a 200 trans, ps/pb. Needs air! The truck went through these upgrades before I got it, most of which happened in 2011 when the PO gave it to his 16yo daughter. Wow huh? She grew up and now its mine. Since I got it, I've changed the spark plugs and wires. I got a rebuilt qjet, the same model that was on it. Replaced all the hoses and belts. Valve cover gaskets, intake manifold gasket. And ran enough fuel cleaner through the old carb to knock the crud out of the tank and lines. But...
She doesn't perform like she should. There is a miss or a lack of power, kinda like a studder when accelerating quickly. This is the issue I'd like to ask for help with.
The very next thing I plan on doing is a compression test. Which I hope wont aggravate my wallet.
I have not messed with the timing. Nor do I have any knowledge about it. She starts right up, and idles fine after warming up. Doesn't run hot, and doesn't die, after I found that spring on the carb that was on backwards!
Anyways, I will post some pictures as soon as I figure out how.