New to A-Bodies

We picked up the car tonight. I drove it home which was about 30 miles via streets. The car drives pretty well aside from feeling sluggish and the brakes sticking a little. Brake pedal feels fine while being pushed but sticks about halfway to 3/4 when released. I have to pull it back the rest of the way with my foot. I am thinking either air in the line or maybe the master cylinder wasn't bench bled right when the seller "refreshed" it. Also the speedometer isn't working. Probably just needs some lubrication like my 67 did when I got it. The temp gauge also isn't working. Not sure yet if it is the gauge or the sender. Will test that over the next few days. Was originally planning on taking the car to my parents and a friend's tomorrow for the 4th, but have decided not to so that I can do the tune up and valve adjustment before we do another long drive.

Bought a bunch of tune up stuff when I got home. About half of it had to be brought in from the warehouse so I wont have everything until tomorrow.

Once I got home I drained the oil. Oil was about what I would expect for as long as it has been sitting, if not slightly better than expected. Still black as night, but not super thick. I tried to get the oil filter off but my wrench wouldn't fit with how it sits between the body and the block. Need to get a better oil filter tool. I ran some new oil through the system to try and get some more of the old oil out before I plugged the pan.

Bought a couple of new belts since the existing ones are pretty terrible. Can't seem to figure out how to loosen the AC pulley to replace the belt though. Any info would be awesome.