With that long wrench, you should have enough leverage. I used a 15 in adjustable wrench and a large strap wrench to hold the pulley. I'm going to take a guess that the ratchet and small bolt are absorbing the impact.
Exactly my issue…
I’ve got a big strap wrench so I’m going to give that a go next. I figure that I’ll keep exhausting the low-cost options first and if that wont get it done, maybe its time for me to invest in a quality compressor and some other tools.