front drum brakes

Sometimes new drums and shoes will drag a bit; you can take some abrasive to the shoes. In the old days, brake shops had 'arcing' machines used to 'thin down' the brake shoe material with exactly the same radius (arc) as the drums. The shoes often came slightly oversized to allow for this. Nowadays, no one arcs shoes (that I know of) but the issue is the same. Yours don't sound to be draggin too awfully bad....

As above, absolutely replace older rubber lines; the headaches they cause are bad news.