I had opportunity to try this as I tuned my G37 with the repaired headstock down first one step, then two, trying to find a good range to sing the songs I love with the chord shapes I know them in. I ended up with a set of 13-56s, with 110 lbs of pull a full two steps down as opposed to 177 lbs with the 10-47s I had always used.
Stringjoy Guitar String Tension Calculator
The Stringjoy Guitar String Tension Calculator is the easiest and best tool to build the perfect balanced tension set of strings for your guitar or bass.
tension.stringjoy.com