torsion bars on 84

I got an 84 nissan king cab 4x4 5 speed today, I did the usual tune-up like plugs/wires/air filter/oil and filter, and I am gonna get the cap and rotor tomorrow. I am thinking of getting a carb rebuild kit also since it was sitting for a long time. and I am getting this BL off of ebay, but was just wondering about cranking the torsion bars for a bit more lift. I am gonna get 2 inch blocks in the rear, and then a 3 inch BL, and I am gonna crank up the torsion bars to get a couple inches of lift in the front. but I am wondering if the truck sits level now(it is bone stock) and I wanna lift it evenly is one side heavier to where I will need to say crank the passenger side bolt a few more turns or the drivers side bolt 10 more turns???

and where can I get a set of gears for this thing, I wanna run bigger tires but its already underpowered so I dont wanna get huge tires until I can gear down as well.