58 guage, 3/8 full chisel on 20 inch bar, 50 guage, 3/8 full chisel on 24". Why, most common in area. You said start with 50 guage, move to 58 as bar wears. Why not just keep bar dressed and rails closed?What brand chain, gauge & pitch does everyone predominantly use? Also full chisel, semi chisel; full complement or full skip, heck, there’s even a special chainsaw carvers chain that IS full house.