Don't worry Tom. I used to be a die hard T25 guy myself. You'll see the light. I have a whopping 5 miles on this motor. Once I break it in, I want a rematch. If you beat this bottom end, I have something else up my sleeve.
92-B13, the belt I used was a 390K4 or 385K4. It will vary on the setup though. I am using a stock WP pulley and alternator with a G spec crank pulley. Works great.