He did... But didn't upgrade to the 8 rib belt system till the end of the season. He was getting belt slip with the 69mm on 6 rib. We found some power in my car & his wasn't dialed in. Lidio is going to fly next year with cams & nitrious.
The inlet side is much bigger! I didn't measure the exact sizes, but that is what makes it better! I was told I should see boost go up a couple psi on my pulley configuration.