My converter is a TCI along with the 727. I know some are down on TCI stuff, but I've been fortunate. I had TCI converter and 727 in my last crate 360 car and it was flawless through 70,000 miles, when I sold it. It's supposed to be basically a stock Mopar muscle car stall speed. 2200 ish I believe. That's what it feels like too. I know I need a higher stall to really take advantage of this engine too.